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Study sets matching "term:mathematics = a matemática"

35 terms
Mathematics - Chapter 14 Vocabulary
mile
foot (ft)
inch (in)
yard (yd)
A customary unit of length;... 1 mile=5,280 feet
A customary unit of length; ... 1 foot = 12 inches
A customary unit of length; 12 inches = 1 foot
A customary unit of measurement;... 1 yard = 3 feet/36 inches
mile
A customary unit of length;... 1 mile=5,280 feet
foot (ft)
A customary unit of length; ... 1 foot = 12 inches
14 terms
Mathematics UIL: Definitions/Other
discriminant
discriminant < 0
discriminant = 0
discriminant > 0
b² - 4ac
no real zeros
one real zero
two real zeros
discriminant
b² - 4ac
discriminant < 0
no real zeros
35 terms
Prelim Mathematics 2 unit: Geometry
Altitude
Congruent triangles
Interval
Median
Height. Any line segment from a vertex to the opposite side o…
Identical triangles that are the same shape and size. Corresp…
Part of a line including the endpoints
A line that joins a vertex (corner) to the opposite side of a…
Altitude
Height. Any line segment from a vertex to the opposite side o…
Congruent triangles
Identical triangles that are the same shape and size. Corresp…
19 terms
Mathematics UIL: Geometry
sum of exterior angles of a regular po…
sum of interior angles of a regular po…
measure of exterior angle
measure of interior angle
360⁰
180(n - 2), where n is the number of sides
360/n, where n is the number of sides
(180(n-2))/n, where n is the number of sides
sum of exterior angles of a regular po…
360⁰
sum of interior angles of a regular po…
180(n - 2), where n is the number of sides
10 terms
Mathematics UIL: Various
find the unit vector in the direction…
rotate a point
determine the base of a geometric solid
solve A/(3x-2) + B/(2x+1) = (x-10)/(6x…
divide each number by the magnitude... ex: [3, 4] has a length o…
make a matrix from the point and multiply by the rotation mat…
often distinguished by the shape of their base polygon... ex. tr…
find a common denominator, cross multiply to get rid of the f…
find the unit vector in the direction…
divide each number by the magnitude... ex: [3, 4] has a length o…
rotate a point
make a matrix from the point and multiply by the rotation mat…
220 terms
Mathematics (1)
communicative property
associative property
identity property
Distributive
a+b=b+a, ab=ba
a+(b+c)=(a+b)+c, a(bc)=(ab)c
a+0=a, 1a=a
a(b+c)=ab+ac
communicative property
a+b=b+a, ab=ba
associative property
a+(b+c)=(a+b)+c, a(bc)=(ab)c
202 terms
Mathematics
sum
regroup
add
difference
the total amount resulting from the addition of two or more n…
rearrange (something) into a new group or groups.... "she was __…
put together (two or more numbers or amounts) to calculate th…
a quantity by which amounts differ; the remainder left after…
sum
the total amount resulting from the addition of two or more n…
regroup
rearrange (something) into a new group or groups.... "she was __…
19 terms
Prelim Mathematics 2 unit: Locus & the Parabola
Chord
Circle
Directrix
Focal chord
An interval joining any two points on a curve
The locus of a point moving so that it is... equidistant from a…
A fixed line from which all points equidistant from this line…
A chord that passes through the focus
Chord
An interval joining any two points on a curve
Circle
The locus of a point moving so that it is... equidistant from a…
23 terms
Prelim Mathematics 2 unit: The Quadratic Function
Axis of symmetry
Coefficient
Discriminant
Equations reducible to quadratics
x = -b / 2a
A constant multiplied by a pronumeral in an algebraic term e.…
∆ = b² - 4ac
Equations that can be reduced to the form ax² + bx + c = 0 by…
Axis of symmetry
x = -b / 2a
Coefficient
A constant multiplied by a pronumeral in an algebraic term e.…
8 terms
Slope of a Line
slope (unit rate/rate of change)
negative slope
positive slope
zero slope
The ratio of the vertical change to the horizontal change of…
A line that moves downward from left to right has a negative…
A line that moves upward from left to right has a positive sl…
horizontal 0/#
slope (unit rate/rate of change)
The ratio of the vertical change to the horizontal change of…
negative slope
A line that moves downward from left to right has a negative…
127 terms
Mathematics (Higher)
How do you write a number as a product…
How do you find the LCM of two numbers…
How do you find the HCF of two numbers…
What formula can you use for compound…
Use a prime factor tree.
1. Write as a product of primes.... 2. Use a venn diagram.... 3. Mu…
1. Write as a product of primes.... 2. Use a venn diagram.... 3. Mu…
How do you write a number as a product…
Use a prime factor tree.
How do you find the LCM of two numbers…
1. Write as a product of primes.... 2. Use a venn diagram.... 3. Mu…
81 terms
Mathematics
a2=b2+c2-2bc cosA
finding a side when we have 2 sides an…
a/SINA = b/SINB = c/SINC
to find side lengths when we know all…
What is the Cosine Rule
What is the Cosine rule used for?
What is the sine rule?
What is the sine rule used for?
a2=b2+c2-2bc cosA
What is the Cosine Rule
finding a side when we have 2 sides an…
What is the Cosine rule used for?
120 terms
Simboli in matematica
https://it.wikipedia.org/wiki/Glossari…
N
No
Z
...
numeri naturali interi positiv
numeri naturali interi positivi escluso lo zero
numeri interi
https://it.wikipedia.org/wiki/Glossari…
...
N
numeri naturali interi positiv
20 terms
Topic 1-Mathematics in Our World
addend
chart
convert
difference
A number that is to be added to another number.
A form used to record information.
changing a number into an equivalent form. changing a measure…
The amount by which a number or quqntitity is great or smalle…
addend
A number that is to be added to another number.
chart
A form used to record information.
9 terms
Perimeter Formulas - Mathematics
Triangle
Square
Rectangle
Circle (circumference)
p=a+b+c
p=4s
p=2l+2w
p=πd or p=2rπ
Triangle
p=a+b+c
Square
p=4s
9 terms
Mathematics as a Language
number symbols = things
operation symbols = actions
relation symbols = comparisons
grouping symbols = associations
1,2,3,4/5, 9....
+, -, X,
=, <, >, ....
( ), [ ], { }, ...
number symbols = things
1,2,3,4/5, 9....
operation symbols = actions
+, -, X,
23 terms
Prelim Mathematics 2 unit: Trigonometry
Angle of depression
Angle of elevation
Bearing
Complementary angles
The angle between the horizontal and the line of sight when l…
The angle between the horizontal and the line of sight when l…
The direction relative to north. Bearings may be written as t…
Two or more angles that add up to 90⁰
Angle of depression
The angle between the horizontal and the line of sight when l…
Angle of elevation
The angle between the horizontal and the line of sight when l…
10 terms
Answer: ¿Qué va a hacer? = ¿Qué va a hacer María? (ella)
Va a pintar
Va a estudiar
Va a cantar
Va a usar la computadora
Va a pintar
Va a estudiar
10 terms
Answer: ¿Qué vas a hacer? = ¿Qué vas a hacer tú?
Voy a pintar
Voy a estudiar
Voy a cantar
Voy a usar la computadora
Voy a pintar
Voy a estudiar
12 terms
Mathematics
solid
vertex
edge
Eurler's Formula
a 3 dimensional 3D object - width, depth, height. Examples in…
A corner; a point where two or more straight lines meet. (Plu…
a line segment that joins two vertices. Edge can also be the…
F + V - E = 2 (number of faces + number of vertices - edges)
solid
a 3 dimensional 3D object - width, depth, height. Examples in…
vertex
A corner; a point where two or more straight lines meet. (Plu…
10 terms
Prelim Mathematics 2 unit: Equations
Absolute value
Equation
Exponential equation
Inequation
the distance of a number from zero on a number line
When there is an equation and you need to find a value for x.
Equation where the unknown pronumeral is the power or index e…
A mathematical statement involving an inequality sign <, >, ≤…
Absolute value
the distance of a number from zero on a number line
Equation
When there is an equation and you need to find a value for x.
14 terms
Properties of mathematics A
Addition Property of Zero
Multiplication Property of Zero
Property of Equality for Addition
Property of Equality for Subtraction
(3x - 10) + 0 = 3x - 10
(3x - 10) (0) = 0
3x - 10 = 15... 3x - 10 + 10 = 15 + 10
3x + 10 = 15... 3x + 10 - 10 = 15 - 10
Addition Property of Zero
(3x - 10) + 0 = 3x - 10
Multiplication Property of Zero
(3x - 10) (0) = 0
20 terms
Slope and Y-Intercept from a Graph
rate of change/slope: 1/2... y-intercept: 2
slope/rate of change: -1... y-intercept:…
slope/rate of change = 3... y-intercept:…
slope/rate of change = 1/4... y-intercept…
What is the rate of change? ... What is the y-intercept?
What is the rate of change? ... What is the y-intercept?
What is the rate of change? ... What is the y-intercept?
What is the rate of change? ... What is the y-intercept?
rate of change/slope: 1/2... y-intercept: 2
What is the rate of change? ... What is the y-intercept?
slope/rate of change: -1... y-intercept:…
What is the rate of change? ... What is the y-intercept?
124 terms
Praxis 5001 (Mathematics)
Integers
Prime Number
Composite Number
Decimal Place
All whole numbers, including negative and zero.
A whole number greater than 0 that has exactly two different…
A number that is divisible by more numbers than itself and on…
The position of a number to the right of the decimal point. I…
Integers
All whole numbers, including negative and zero.
Prime Number
A whole number greater than 0 that has exactly two different…
12 terms
Prelim Mathematics 2 unit: Linear Functions
Collinear points
Concurrent lines
Gradient
Interval
Two or more points that lie on the same straight line. Prove…
Two or more lines that intersect at a single point. Prove by…
The slope of a line measured by comparing the vertical rise o…
A section of a straight line including the end points
Collinear points
Two or more points that lie on the same straight line. Prove…
Concurrent lines
Two or more lines that intersect at a single point. Prove by…
15 terms
Mathematics Trigonometry Equations
SOHCAHTOA
Pythagoras Theorem
Method:
Cosine Rule For an Angle
Sine = Opposite/Hypotenuse... Cosine = Adjacent/Hypotenuse... Tan s…
a^2 + b^2 = c^2... (a & b are the short sides and C is the long…
• Sketch the triangle... • Label the sides... • Write down what is…
SOHCAHTOA
Sine = Opposite/Hypotenuse... Cosine = Adjacent/Hypotenuse... Tan s…
Pythagoras Theorem
a^2 + b^2 = c^2... (a & b are the short sides and C is the long…
17 terms
Prelim Mathematics 2 unit: Algebra & Surds
Binomial product
Pronumeral
Rationalising the denominator
Surd
The product of two binomial expressions such as (x + 3) (2x -…
A letter or symbol that stands for a number
Multiply the fraction by the surd denominator. Make sure it i…
The root of a number that has an irrational value e.g. √3. It…
Binomial product
The product of two binomial expressions such as (x + 3) (2x -…
Pronumeral
A letter or symbol that stands for a number
20 terms
Hesi A2 Mathematics
How many ounces are there in a gallon?
What is 70% of 65?
For a recipe, there are 3 eggs needed…
x^4 − y if x = 3 and y = 20
Use dimensional analysis to convert from gallons to ounces.... 1…
multiplying 65 by 0.7=45.5
3x = 40 → x = 13 1/3 ... Only 13 pounds of cake can be made.
Substitute the values of x and y into the given equation and…
How many ounces are there in a gallon?
Use dimensional analysis to convert from gallons to ounces.... 1…
What is 70% of 65?
multiplying 65 by 0.7=45.5
18 terms
Prelim Mathematics 2 unit: Introduction to Calculus
Composite function
Continuity
Continuous function
Derivative at a point
A function of a function. Used in the the chain rule when we…
Describing a line or curve that is unbroken over its domain
A function is continuous over an interval if it has no break…
This is the gradient of a curve at a particular point
Composite function
A function of a function. Used in the the chain rule when we…
Continuity
Describing a line or curve that is unbroken over its domain
25 terms
Prelim Mathematics 2 unit: Functions & Graphs
Arc of a curve
Asymptote
Dependent variable
Direct relationship
Part or a section of a curve between two points.
A line towards which a curve approaches but never touches.... Fi…
A dependent variable is a variable whose value depends on the…
Occurs when one variable varies directly with another i.e. as…
Arc of a curve
Part or a section of a curve between two points.
Asymptote
A line towards which a curve approaches but never touches.... Fi…
10 terms
5.3 Finding the Slope from a Graph - You choose the points!
m = 2
m = 1
m = -2
m = -1/3
Find the slope.
Find the slope.
Find the slope.
Find the slope.
m = 2
Find the slope.
m = 1
Find the slope.
17 terms
Mathematics for Educators I
associative property (addition)
distributive property (multiplication)
commutative property (addition)
cardinality
(2+3)+4 = 2+(3+4)
2(3+4) = (2x3) + (2x4)
5+10 = 10+5
is the number of elements in a set
associative property (addition)
(2+3)+4 = 2+(3+4)
distributive property (multiplication)
2(3+4) = (2x3) + (2x4)
12 terms
Mathematics Properties
Commutative property of multiplication
Commutative property of addition
Associative property of multiplication
Identity property of multiplication
3 × 4 = 4 × 3
8 + 2 = 2 + 8
( 6 × 2 ) × 5 = 6 × ( 2 × 5 )
n × 1 = n
Commutative property of multiplication
3 × 4 = 4 × 3
Commutative property of addition
8 + 2 = 2 + 8
21 terms
GCSE Edexcel Mathematics (9-1) formulae
Area of rectangle
Area of parallelogram
Area of triangle
Area of trapezium
Length x width
Base x height
½ x base x height
½ x (a+b) x height
Area of rectangle
Length x width
Area of parallelogram
Base x height
12 terms
Year 10 Financial Mathematics
Compound Interest
Depreciation
Flat rate
Instalment
Interest earned is added to the principal so that the interes…
The loss in value of an object over a period of time.
The same as a simple interest rate.
A payment made to reduce the amount owing on a loan.
Compound Interest
Interest earned is added to the principal so that the interes…
Depreciation
The loss in value of an object over a period of time.
9 terms
Properties of Mathematics (Addition & Multiplication)
Associative Property of Addition
Associative Property of Multiplication
Commutative Property of Addition
Commutative Property of Multiplication
When 3 or more numbers are added, the sum is the same regardl…
When 3 or more numbers are multiplied, the product is the sam…
When 2 numbers are added, the sum is the same regardless of t…
When 2 numbers are multiplied, the product is the same regard…
Associative Property of Addition
When 3 or more numbers are added, the sum is the same regardl…
Associative Property of Multiplication
When 3 or more numbers are multiplied, the product is the sam…
66 terms
Mathematics
Counting numbers
Addition
commutative
Associative
1,2,3,4,5,6...
a + b = c
The order in which operations are done does not matter; addit…
Adding in parentheses does not make a difference to the outcome
Counting numbers
1,2,3,4,5,6...
Addition
a + b = c
23 terms
HSC Mathematics 2 unit : Series & Sequences
Annuity
Arithmetic Sequence
Common Difference
Common Ratio
A fixed sum of money invested into an an account every period…
A Set of numbers that form a pattern where each successive te…
The constant amount in an arithmetic sequence (d) that is add…
The constant amount in a geometric sequence (r) that is multi…
Annuity
A fixed sum of money invested into an an account every period…
Arithmetic Sequence
A Set of numbers that form a pattern where each successive te…
Mathematics
Twin Primes
Sexy Primes
Cousin Primes
Mersenne Primes
Primes that differ by 2 [5, 7]
Primes that differ by 6 [7, 13]
Primes that differ by 4 [7, 11]
Primes that are 1 less than a power of 2 (2^7-1), 2^11-1 is t…
Twin Primes
Primes that differ by 2 [5, 7]
Sexy Primes
Primes that differ by 6 [7, 13]
23 terms
Mathematics
commensurate
abacus
quadruple
remainder
Corresponding in size or degree; in proportion.
make it four times
Amount left over after dividing a numberwji
commensurate
Corresponding in size or degree; in proportion.
abacus
10 terms
Praxis Mathematics
Congruent (angles)
Cylinder
Circumference
Diameter
Angles that have the same angle (in degrees or radians). The…
One of the most basic curvilinear geometric shapes, the surfa…
The circumference of a circle is its perimeter, or the distan…
A line (chord)segment with endpoints on the circle that passe…
Congruent (angles)
Angles that have the same angle (in degrees or radians). The…
Cylinder
One of the most basic curvilinear geometric shapes, the surfa…
18 terms
HSC Mathematics 2 unit: Geometrical Applications of Calculus
Anti-differentiation
Concavity
Differentiation
Gradient of a tangent
The process of finding a primitive (original) function from t…
The shape of a curve as it bends around (it can be concave up…
The process of finding the gradient of a tangent to a curve o…
The gradient (slope) of a line that is a tangent to a curve a…
Anti-differentiation
The process of finding a primitive (original) function from t…
Concavity
The shape of a curve as it bends around (it can be concave up…
16 terms
UNIT 1: Exploring and Communicating Mathematics
bar graph
power
base
exponent
A graph drawn using rectangular bars to show how large each v…
The power of a number says how many times to use the number i…
The number that is going to be raised to a power.... Example: 2…
The exponent of a number says how many times to use that numb…
bar graph
A graph drawn using rectangular bars to show how large each v…
power
The power of a number says how many times to use the number i…
80 terms
Mathematics
Counting numbers
Addition
commutative
Associative
1,2,3,4,5,6...
a + b = c
The order in which operations are done does not matter; addit…
Adding in parentheses does not make a difference to the outcome
Counting numbers
1,2,3,4,5,6...
Addition
a + b = c
35 terms
Mathematics
fraction
numerator
denominator
divisible
fraction
numerator
97 terms
Core Subjects 4-8 Mathematics
repeating patterns
number patterns
rational numbers
irrational numbers
The core of a repeating pattern is the string of elements tha…
used to predict number down the line
a number that can be written as a ratio (fraction) [in the fo…
cannot be expressed by as a ratio (fraction) of an interger c…
repeating patterns
The core of a repeating pattern is the string of elements tha…
number patterns
used to predict number down the line
10 terms
Mathematics
Finding the DIFFERENCE
Finding the PRODUCT
Writing numbers in STANDARD FORM
MULTIPLYING or DIVIDING numbers in STA…
Subtract them from each other... e.g. The difference between 14…
Multiply the numbers... e.g. The product of 2 and 3 is 6
...
1. Multiply/Divide the ordinary numbers first... 2. Multiply/Div…
Finding the DIFFERENCE
Subtract them from each other... e.g. The difference between 14…
Finding the PRODUCT
Multiply the numbers... e.g. The product of 2 and 3 is 6
20 terms
Mathematics
Multiplication
Significant Figures
Significant Figures in... Addition/Subtra…
Significant Figures in... Multiplication/…
-If you round one number up, round the other down to compensate
*In the case of MEASUREMENTS, the last digit is an estimate a…
-Round the answer to the LEAST number of places in the decima…
-The LEAST number of significant figures in any number of the…
Multiplication
-If you round one number up, round the other down to compensate
Significant Figures
*In the case of MEASUREMENTS, the last digit is an estimate a…
15 terms
Mathematics Trigonometry Equations
SOHCAHTOA
Pythagoras Theorem
Method:
Cosine Rule For an Angle
Sine = Opposite/Hypotenuse... Cosine = Adjacent/Hypotenuse... Tan s…
a^2 + b^2 = c^2... (a & b are the short sides and C is the long…
• Sketch the triangle... • Label the sides... • Write down what is…
SOHCAHTOA
Sine = Opposite/Hypotenuse... Cosine = Adjacent/Hypotenuse... Tan s…
Pythagoras Theorem
a^2 + b^2 = c^2... (a & b are the short sides and C is the long…
30 terms
Mathematics Formulas (HSC)
Common difference (arithmetic series)
Term of a series (arithmetic)
Sum of a series (arithmetic)
Common ratio (geometric series)
d = T2-T1 = T3-T2
Tn = a + (n-1) d
Sn = n/2(a + L) or n/2(2a + (n-1)d)
r = T2/T1 = T3/T2
Common difference (arithmetic series)
d = T2-T1 = T3-T2
Term of a series (arithmetic)
Tn = a + (n-1) d
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