Math 8: Chapter 2 Review

Simplifying Expressions

100

Simplify the following expression:

2x + 3 + 7x + 4

9x + 7

200

Simplify the following expression:

3x + 5 + x + y + 3x + 2

7x + y + 7

300

Simplify the following expression:

3y + 2 + 2xy + 4x + y + 4y + 1

4x + 8y + 2xy + 3 

400

Simplify the following expression:

2 + x + 3x + y + 4y + xy

4x + 5y + xy + 2

500

Simplify the expression:

3 + 7x - (2 + 9x)

-2x + 1

Evaluate the Expression

100

Evaluate the expression if x = 5.

3x + 5

20

200

Evaluate the expression if y = 8

4y - y

24

300

Evaluate the expression if y=7.

8 + 7y - 6

51

400

Evaluate the expression if x=8 and y=2.

2y + 6 + 9x - 5

77

500

Evaluate the expression if x=5 and y=3

6x - (3y +7) - xy

-1

Solving Equations with Variables on Both Sides

100

Solve the equation for x.

-6x + 13 = 2x - 11

x = 3

200

Solve the equation for y.

9y - 14 = 2y

y=2

300

Solve the equation for x.

3 - 2x = 2x - 5

x=2

400

Solve the equation for x.

2x - 31 = -9x + 24

x=5

500

Solve the equation for x.

x + 4 - 3x = 4 - (x - 1)

x = -1

Solve Equations with Rational Coefficients

100

1/2 = 2/5z

1 1/4 or 5/4

200

-3/4t = 5

-6 2/3 or -20/3

300

0.6w = 0.48

0.8

400

-30 = 1.25c

-24

500

1 5/7 = 1 13/14a

8/9

Solve Two-Step Equations

100

11 = 2b + 17

-3

200

-17 = 6p - 5

-2

300

2g - 3 = -19

-8

400

13 - 3d = -8

7

500

-2/3m - 4 = 10

-21