# Study sets matching "math vocabulary 9th grade"

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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…

terminating decimal

repeating decimal

opposites

origin

A decimal number that ends or terminates

A decimal that repeats a digit or group of digits forever

____________ are two number that are the same distance from 0…

(0,0)

terminating decimal

A decimal number that ends or terminates

repeating decimal

A decimal that repeats a digit or group of digits forever

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

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…

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…

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.

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…

terminating decimal

repeating decimal

opposites

origin

A decimal number that ends or terminates

A decimal that repeats a digit or group of digits forever

____________ are two number that are the same distance from 0…

(0,0)

terminating decimal

A decimal number that ends or terminates

repeating decimal

A decimal that repeats a digit or group of digits forever

terminating decimal

repeating decimal

opposites

origin

A decimal number that ends or terminates

A decimal that repeats a digit or group of digits forever

____________ are two number that are the same distance from 0…

(0,0)

terminating decimal

A decimal number that ends or terminates

repeating decimal

A decimal that repeats a digit or group of digits forever

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

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.

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

algebraic expression

coefficient

dependent variable

domain

an expression consisting of one or more numbers and variables…

the numerical factor of a term

the variable in a relation with a value that depends on the va…

the set of the first numbers of the ordered pairs in a relation

algebraic expression

an expression consisting of one or more numbers and variables…

coefficient

the numerical factor of a term

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

Fraction

Numerator

Denominator

Unit Fraction

part of a group or a whole

tells the number of parts that you are counting

tells the number of parts in a whole

a fraction that has a numerator of 1, one part of the whole

Fraction

part of a group or a whole

Numerator

tells the number of parts that you are counting

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…

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

natural numbers

whole numbers

integers

rational numbers

counting numbers for example: 1,2,3,...

positive numbers, including 0. Example: 0,1,2,3...

positive and negative whole numbers examples: -3,-2,-1,0,1,2,3…

numbers that can be written as fractions; includes decimals th…

natural numbers

counting numbers for example: 1,2,3,...

whole numbers

positive numbers, including 0. Example: 0,1,2,3...