8th Grade

Properties of Operation

100

dividing the same number on both sides of equation 

division property of equality 

200

multiplying the same number on both sides  of an equation

Multiplication Property of equality

300

subtracting the same number on both sides of an equation

subtraction property of equality

400

a number that produces a true statement when substituted for the variables in an equation

solution

500

Name the 4 properties of operation 

Addition, subtraction, division and multiplication property of equality

Vocabulary

100

a letter that represents an unknown quantity in an algebraic expression 

variable 

200

a fixed number or value 

constant 

300

a number multiplied by a variable in an algebraic expression

Coefficient

400

multiplies a factor that is outside of a set parentheses with each term inside parentheses

distributive property

500

has no more than two variables and has a solution that is single in value or an ordered pair, no solution or infinitely many solutions

Linear equation 

Linear Equations

100

A=A has how many possible solutions

infinite 

200

x= 5 has mow many possible solutions

One

300

A=B has mow many possible solutions

None; no solution

400

Any value of variable creates a true statement means that the equation has ___________ solutions

Infinitely many; infinite

500

When you use the properties of equality to simplify a linear equation how many possible outcomes can you have?

3 (one, none, or infinite)

Solve

100

2(X+5)= 2X+5

X=X; INFINITE SOLUTIONS

200

4y+9=4y-7

16=0; no solution

300

18x - 5 = 3(6x - 2)

1=0; no solution

400

4x - 10 = x +3x - 2x

x = 5; one solution

500

3(X+1)+1+2x= 2(2x+2) + X

4=4 or X=X; infinite 

Review

100

sqaure root of 64?

8

200

cube root of 216?

6

300

4⁸  x 4⁹ =

4¹⁷

400

9^-3 =

1/729

500

7.5 x 10^-4

.00075