# Study sets matching "math vocabulary 9th grade algebra"

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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…

A mathematical statement that contains…

A sentence that contains an equal sign.

Finding a value for a variable that mak…

Is a collection of objects or numbers t…

open sentence

equation

solving

set

A mathematical statement that contains…

open sentence

A sentence that contains an equal sign.

equation

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

acute angle

adjacent angles

bar notation

circumference of circle

an angle whose measure is greater than 0° but less than 90°

two angles that share a common vertex and a common side

used for repeating decimals. A bar is drawn over digits that r…

the outside perimeter of a circle

acute angle

an angle whose measure is greater than 0° but less than 90°

adjacent angles

two angles that share a common vertex and a common side

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…

coefficient

distributive property

equation

evaluate

A numerical factor in a term of an algebraic expression.

multiply a sum by multiplying each addend separately and then…

A statement that shows two mathematical expressions are equal.…

To find the value of a mathematical expression.

coefficient

A numerical factor in a term of an algebraic expression.

distributive property

multiply a sum by multiplying each addend separately and then…

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.

Additive Identity Property of 0

Associative Property of Addition

Commutative Property of Addition

Distributive Property

Adding zero to a number gives a sum identical to the given num…

The sum stays the same when the grouping of addends is changed…

The sum stays the same when the order of the addends is change…

When one of the factors of a product is a sum, multiplying eac…

Additive Identity Property of 0

Adding zero to a number gives a sum identical to the given num…

Associative Property of Addition

The sum stays the same when the grouping of addends is changed…

inequality

variable

coefficient

term

Has a greater than or less than symbol

The letters in algebra (stands for unknown)

A number multiplied by a variable

Separated by + and - signs

inequality

Has a greater than or less than symbol

variable

The letters in algebra (stands for unknown)

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

inequality

solution of an equation

inverse operations

equation

a mathematical statement that compares two expressions by usin…

a value of a variable that makes an equation true

operations that undo each other

a statement that two mathematical expressions are equal

inequality

a mathematical statement that compares two expressions by usin…

solution of an equation

a value of a variable that makes an equation true

real numbers

Irrational numbers

integers

Rational numbers

A number that is rational or irrational

non-terminating and non-repeating decimals. (Pi & 0.956373290)

{....-3,-2,-1,0,1,2,3....}

any number that can be written as a fraction x/y where x and y…

real numbers

A number that is rational or irrational

Irrational numbers

non-terminating and non-repeating decimals. (Pi & 0.956373290)

Additive Identity Property of 0

Associative Property of Addition

Commutative Property of Addition

Distributive Property

Adding zero to a number gives a sum identical to the given num…

The sum stays the same when the grouping of addends is changed…

The sum stays the same when the order of the addends is change…

When one of the factors of a product is a sum, multiplying eac…

Additive Identity Property of 0

Adding zero to a number gives a sum identical to the given num…

Associative Property of Addition

The sum stays the same when the grouping of addends is changed…

Commutative property

Associative property

Identity property

Inverse property

a+b=b+a... ab=ba

(a+b)+c=a+(b+c)... (ab)c=a(bc)

a+0=a... ax1=a... 0+5=5... pi+0=pi... 2+0=2... -7/4+0=-7/4

a+(-a)=0... a(1/a)=1... 17+(-17)=0

Commutative property

a+b=b+a... ab=ba

Associative property

(a+b)+c=a+(b+c)... (ab)c=a(bc)

Rate of Change

Slope (m)

Slope formula

Linear function

How quantity is changing with respect to achange in anither qu…

The ratio of the change in the y coordinate (rise) to the corr…

M= y2-y1/x2-x1 ... change in y/change in x

A function with ordered pairs that satisfy a linear equation

Rate of Change

How quantity is changing with respect to achange in anither qu…

Slope (m)

The ratio of the change in the y coordinate (rise) to the corr…

Dependent quantity

Independent quantity

Relation

Domain

When one quantity depends on another in a problem situation, i…

The quantity that the dependent quantity depends on is the ind…

Is a mapping between a set of input values

The set of all input values of a relation

Dependent quantity

When one quantity depends on another in a problem situation, i…

Independent quantity

The quantity that the dependent quantity depends on is the ind…

zero exponent

negative exponent

product of powers property

quotient of powers property

for any nonzero number, anything to the power of 0 equals 1. b…

A to the power of negative B would equal 1 over A to the power…

To multiply powers with the same base, add their exponents

to divide powers with the same base, subtract their exponents

zero exponent

for any nonzero number, anything to the power of 0 equals 1. b…

negative exponent

A to the power of negative B would equal 1 over A to the power…

Linear equation

Point-slope form equation

Linear model

Parallel lines

an equation in the form y=mx+b

an equation in the form y-y1=m(x-x1)

a linear function that models a real-life situation

lines that never intersect with each other (have the same slop…

Linear equation

an equation in the form y=mx+b

Point-slope form equation

an equation in the form y-y1=m(x-x1)

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

system of linear equations

solution of a system of linear equations

one solution

no solution

a set of two or more linear equations in the same variables

an ordered pair that is a solution of each equation in the sys…

the lines intersect on a graph

the lines are parallel on a graph

system of linear equations

a set of two or more linear equations in the same variables

solution of a system of linear equations

an ordered pair that is a solution of each equation in the sys…