Math 8

Solve for a variable

100

Solve for y

3x + y = 10

y=-3x+10

200

Solve for y

2x + 4y=12

y=-0.5x+3

300

Solve for x

4x + 8y = 20

x=-2y+5

400

Solve for r

2xr = 40

r = 40/2x

or

r = 20/x

500

x/3+16=-3

x= -57

Evaluate/Simplify

100

Evaluate when x = -2

6x – 13 

-25

200

Evaluate when x = -5

3x - 2x+ 5 

0

300

Simplify the expression 

(combine like terms)

3x - 5y + 9x - 8

12x - 5y - 8

400

Simplify.

-(-(-3)+6)

-9

500

Simplify the expression

3x - (4x - 7)

-1x+7

Distributive Property Equations

100

Solving Equations

-(-x + 2) = 6

x = 8

200

Solving Equations

-5(p + 4) = 6

p = -5.2

300

Solving Equations

2(n+5) = 4

n = -3

400

Solving Equations

5(m-3) = 5(m-4)

No solution

500

Solving Equations

3(𝑥 − 9) = −3

x = 8

Graphing / slope

100

Name the growth of the line

y = 4x + 10

adds 4

200

What is the starting value?

y = 3x - 4

-4

300

Name the slope of the line

y = - 2x + 10

m = -2

400

What is the y-intercept?

y = 5x + 9

(0, 9)

500

What is the slope/growth of the line?

3x + y = 10

m = -3

Exponents

100

x⁴*y²x³

x⁷y²

200

x^-3

1/x³

300

(x³)⁶

x¹⁸

400

(3x²)(4x⁵)

12x^7

500

(45x³y⁶z⁷)⁰

1