# Study sets matching "math vocabulary 9th grade"

Dilation

Scale Factor

Proportional

Similar Symbol

A dilation is a transformation (notation ) that produces an im…

The ratio of any two corresponding lengths in two similar geom…

When two quantities always have the same size in relation to e…

|| parallel lines... ≅ congruent to equivalence of geometric shap…

Dilation

A dilation is a transformation (notation ) that produces an im…

Scale Factor

The ratio of any two corresponding lengths in two similar geom…

exponential function

decay function

growth function

inverse function

a function of the form f(x)= ab^x

an exponential function of the form f(x) = ab^x in which 0<b<1

an exponential function of the form f(x)=ab^x in which b>1

the function that results from exchanging the input and output…

exponential function

a function of the form f(x)= ab^x

decay function

an exponential function of the form f(x) = ab^x in which 0<b<1

Dilation

Scale Factor

Proportional

Similar Symbol

A dilation is a transformation (notation ) that produces an im…

The ratio of any two corresponding lengths in two similar geom…

When two quantities always have the same size in relation to e…

|| parallel lines... ≅ congruent to equivalence of geometric shap…

Dilation

A dilation is a transformation (notation ) that produces an im…

Scale Factor

The ratio of any two corresponding lengths in two similar geom…

Dilation

Scale Factor

Proportional

Similar Symbol

A dilation is a transformation (notation ) that produces an im…

The ratio of any two corresponding lengths in two similar geom…

When two quantities always have the same size in relation to e…

|| parallel lines... ≅ congruent to equivalence of geometric shap…

Dilation

A dilation is a transformation (notation ) that produces an im…

Scale Factor

The ratio of any two corresponding lengths in two similar geom…

Pythagorean Theorem

Supplementary Angles

Complementary Angles

Squaring

a² + b² = c² ... (Only in a right triangle.)

Two angles whose sum is 180 degrees.

Two angles whose sum is 90 degrees.

Multiplying a number by itself.

Pythagorean Theorem

a² + b² = c² ... (Only in a right triangle.)

Supplementary Angles

Two angles whose sum is 180 degrees.

variable

coefficient

equation

slope

a symbol that represents a quantity in a mathematical expressi…

is a multiplicative factor in some term of a polynomial, a ser…

is a statement of an equality containing one or more variables

of a line is a number that describes both the direction and th…

variable

a symbol that represents a quantity in a mathematical expressi…

coefficient

is a multiplicative factor in some term of a polynomial, a ser…

Pythagorean Theorem

Supplementary Angles

Complementary Angles

Squaring

a² + b² = c² ... (Only in a right triangle.)

Two angles whose sum is 180 degrees.

Two angles whose sum is 90 degrees.

Multiplying a number by itself.

Pythagorean Theorem

a² + b² = c² ... (Only in a right triangle.)

Supplementary Angles

Two angles whose sum is 180 degrees.

Pythagorean Theorem

Supplementary Angles

Complementary Angles

Squaring

a² + b² = c² ... (Only in a right triangle.)

Two angles whose sum is 180 degrees.

Two angles whose sum is 90 degrees.

Multiplying a number by itself.

Pythagorean Theorem

a² + b² = c² ... (Only in a right triangle.)

Supplementary Angles

Two angles whose sum is 180 degrees.

Coefficient

Compound Inequality

Conversion Factor

Formula

A number or symbol multiplied with a variable or an unknown qu…

Inequalities with three parts.... Ex. 1<2>0

Converting a number to another unit of measurement... Ex. 12 in =…

A type of equation that help solve a problem... Ex. b

**w**h=V helps…Coefficient

A number or symbol multiplied with a variable or an unknown qu…

Compound Inequality

Inequalities with three parts.... Ex. 1<2>0

x times radical 2

x times radical 3

x times 2

(y, -x)

How to go from short leg to hypotenuse in a 45-45-90 triangle

How to go from short leg to long leg in a 30-60-90 triangle

How to go from short leg to hypotenuse in a 30-60-90 triangle

90 degrees clockwise/ 270 degrees counter clockwise rotation:…

x times radical 2

How to go from short leg to hypotenuse in a 45-45-90 triangle

x times radical 3

How to go from short leg to long leg in a 30-60-90 triangle

binomial

exponent

index

monomial

a polynomial consisting of the sum or difference of exactly tw…

small numeral written at the upper right of a base to show how…

numeral or letter written above and to the left of a radical s…

a polynomial with exactly one term.

binomial

a polynomial consisting of the sum or difference of exactly tw…

exponent

small numeral written at the upper right of a base to show how…

commutative property

associative property

identity property of addition

identity property of multiplication

changing the order around of an equation... example: 5+7=12 and 7…

moving the grouping of parentheses of an equation... example: (1+…

keeps the number the same... example: 5+0=5

keeps the number the same... example: 5x1=5

commutative property

changing the order around of an equation... example: 5+7=12 and 7…

associative property

moving the grouping of parentheses of an equation... example: (1+…

point

line

line segment

ray

a precise location or place on a plane

a straight path that continues in both directions

a portion of a line located between two points

a piece of a line that starts at one point and reaches infinit…

point

a precise location or place on a plane

line

a straight path that continues in both directions

Geometric Sequence Meaning

Geometric Explicit Formula

Geometric Recursive Formula

Arithmetic Sequence Meaning

Patterns that are multiplied by the same amount each time

Patterns that add or subtract the same amount each time

Geometric Sequence Meaning

Patterns that are multiplied by the same amount each time

Geometric Explicit Formula

x times radical 2

x times radical 3

x times 2

(y, -x)

How to go from short leg to hypotenuse in a 45-45-90 triangle

How to go from short leg to long leg in a 30-60-90 triangle

How to go from short leg to hypotenuse in a 30-60-90 triangle

90 degrees clockwise/ 270 degrees counter clockwise rotation:…

x times radical 2

How to go from short leg to hypotenuse in a 45-45-90 triangle

x times radical 3

How to go from short leg to long leg in a 30-60-90 triangle

rational

irrational

integers

whole numbers

its a repeating decimals it has integers , fractions

decimals that do not repeat and does not include the integers…

whole numbers and their opposites

non negative integers

rational

its a repeating decimals it has integers , fractions

irrational

decimals that do not repeat and does not include the integers…

Rays

Angles

Lines

Line Segments

One endpoint travels one direction.

The rotation of a ray. Vertex is ALWAYS in the middle.

Travles in two directions forever.

Two endpoints.

Rays

One endpoint travels one direction.

Angles

The rotation of a ray. Vertex is ALWAYS in the middle.

Positive numbers

Negative numbers

Natural number

Whole number

Listed to the right of zero and have grater values than it.

Listed to the left of zero and have values less than zero.

1,2,3,4...ect

0, 1, 2, 3, 4...... ect

Positive numbers

Listed to the right of zero and have grater values than it.

Negative numbers

Listed to the left of zero and have values less than zero.

Point

Line

Plane

Collinear

A location that has no size and is represented by a dot.

A straight path that has no thickness and extends forever.

A flat surface that has no thickness and extends forever.

Points that lie on the same line.

Point

A location that has no size and is represented by a dot.

Line

A straight path that has no thickness and extends forever.

system

inconsistent

substitution

points

A ______of linear equations is a set of two or more linear equ…

a system of linear equations with no soultion is a ________sys…

Solving systems of linear equations by subsituting on expressi…

If two lines in a linear system coincide, they occupy the same…

system

A ______of linear equations is a set of two or more linear equ…

inconsistent

a system of linear equations with no soultion is a ________sys…

point

line

line segment

ray

a dot

an infinite collection of dots with no beginning and no end

part of a line with two endpoints

part of a line with one endpoint

point

a dot

line

an infinite collection of dots with no beginning and no end

Parallel lines

Skew lines

Parallel planes

Transversal

Two lines that will never touch each other

Two lines that will never touch each other and not parallel

Two planes that will never touch each other

A line that intersects two or more lines

Parallel lines

Two lines that will never touch each other

Skew lines

Two lines that will never touch each other and not parallel