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Upward Bound
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Gravity
Key Concepts:
Terms in this set (49)
distributive property
a(b+c) = ab + ac
SOH-COA-TOA
short for sine - opposite over hypotenuse, cosine - opposite over adjacent, tangent - opposite and adjacent
area of circle
A = πr²
perimeter
the distance around a shape
perpendicular
intersecting at right angles
Pythagorean Theorem
a² + b² = c²
binomial
a polynomial with 2 terms
FOIL
method for multiplying binomials: first, outer, inner, last
absolute value
distance a number is from zero on a number line, ALWAYS POSITIVE
x-coordinate
first number of an ordered pair, it corresponds to a number on the x-axis
arithmetic sequence
a sequence in which each term is found by adding the same number to the previous term
tangent
ratio of the opposite to the adjacent side of a right triangle
percent
special ratio that compares a number to 100 using the symbol %
expression
math statement that combines numbers and operations, but doesn't have an equal sign.
real numbers
all the numbers that can be represented by points on a number line.
integer
numbers without fractional or decimal parts (positive, negative and/or zero)
logarithm (log)
the exponent that a specified base must be raised to in order to get a certain value
proportion
equation that states two ratios are equal
endpoints
points that represent the ends of a line segment or ray, A and B in the picture
rearranging
putting things in a different order
hypotenuse
side of a right triangle opposite the right angle, also the longest side of a right triangle
even integer
integers that end in 0, 2, 4, 6, or 8; an integer that is divisible by 2
(x, y) coordinate plane
a plane containing two perpendicular axes (x and y) intersecting at a point called the origin (0,0)
theta
the symbol θ which is commonly used as a variable for an angle
constant rate
steady change
preceeding term
term before the current term
sin B, cos A, tan C
sine of angle B, cosine of angle A, tangent angle C
segment
part of a line with two endpoints
cosine
ratio of the adjacent side to the hypotenuse in a right triangle
vertex
point where two or more straight lines meet, the top of bottom of a parabolla
origin
the point (0,0) where the x-axis and the y-axis intersect in a coordinate plane
formula
mathematical relationship or rule expressed in symbols
right triangle
a triangle with one right angle
y-coordinate
second number of an ordered pair, corresponds to a number on the y-axis.
inequality
mathematical sentence that compares two amounts using the symbols; >, <, ≤, ≥, or ≠
∠CBA
angle with a vertex located at point B and sides of C and A
reciprocal
flip of a fraction
square units
measure of area, a square one unit by one unit
x-axis
horizontal axis on the coordinate plane
slope
steepness of a line, rise over run, vertical change over horizontal change
diameter
distance across a circle through its center
quadrants
4 regions on a coordinate plane separated by the x-axis and y-axis.
like terms
simplifying an expression by combining terms with the same variable(s) to the same exponent(s)
term
numbers and/or variables separated by addition or subtraction
π
ratio of a circle's circumference to its diameter, approximately 3.14
ratio
a comparison of two numbers by division
equation
mathematical statement that two expressions are equal, includes the symbol =
product
answer to a multiplication problem
slope-intercept form
y = mx + b
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