8th Grade Math Concepts

Slope intercept-form

100

Change this equation into slope-intercept form.

8x + 4y = 12

 y=3-2x

200

Change this equation into slope-intercept form.  

9x + 3y = 11

 y=11/3-3x

300

Change this equation into slope-intercept form.  

2x - 2y = 20

 -y=-10+x

400

Change this equation into slope-intercept form.  

7x + 2y = 6

y=3-7/2x

500

Change this equation into slope-intercept form.  

9x - 6y = 24

 -y=-4+9/6

Solving two step equations

100

Solve the following equation for X.

8x + 4 = 36

x=4

200

Solve the following equation for X.

6x + 2 = 32

x=5

300

Solve the following equation for X.

4x + 2 = 10

x=2.5

400

Solve the following equation for X.

2x + 3 = 27

x=12

500

Solve the following equation for X. 

7x + 6 = 27

x=3

Simplifying equations

100

Simplify the equation

8(3x + 5)

24x+40

200

Simplify the equation

(4x + 5y + 6) + (3x - 5y)

7x+6

300

Simplify the equation

2(8x - 3) + (5x + 11)

21x+5

400

Simplify the equation

(4 + 8y + 3x) + (2 + 2y + 5x)

6+10y+8x

500

Simplify the equation

7(4x - 6)

28x-42

Solving for X

100

Solving for X

7x + 3 = 52

x=7

200

Solving for x

8x + 7 = 71

x=8

300

Solving for x

9x - 5 = 67

x=8

400

Solving for x

5x -4 = 11

x=3

500

Solving for x

6x + 7 = 19

x=2