Ch 2 Test Prep

Math Expressions & Equations

100

Evaluate the expression when a =-9 and b= 10

                               a-b

What is -19 ?

200

Evaluate the expression when a = -5 and b = 6

                       2b + 3

What is 15?

300

Fifteen less than twice a number

What is 2n -15 ?

400

six times a number is 5 less than a number

What is 6n = n-3 ?

500

The sum of six and a number multiplied by nine

What is (6 + n) x 9

Solving for a Variable

100

20 + c = 44

What is 24?

C = 24

200

5y = -60 

What is y= -12?

300

c/8 = 6

What is c = 48?

400

n + (-12) = 60

What is n= 72?

500

b + 13 = -26

What is b= -39?

Formulas

100

Find the area of the garden if the the length is 20 yards and the width is 6 yards. 

What is 120 yards²?

200

If a pool has an area of 84 squared yards. The length is 12 yards.  What is the width?

What is 7 yards?

300

How much fencing would you need if your yard measured 30 feet by 20 feet?

What is 100 feet?

400

What is the volume of a box that is 6 inches long, 7 inches wide, and 12 inches deep. 

What is 504 inches³?

500

What is the volume of a box that is 3 inches long, 5 inches wide, and 9 inches deep?

What is 135 inches³?

Simplify

100

4x + 7y - 8x + 9y

What is -4x + 16y?

200

3(a² +2b) - 2a² + 6b

What is a² + 12b?

300

What is 6p+5s-12p+9s

What is -6p + 14s?

400

8(b²+6c) - 3b² + 6c

What is 5b² + 54c?

500

2(w²z + 2wz) - (w²z -5wz)

What is w²z + 9wz

Two Step Equations

100

3d - 7 = 23

What is d=10?

200

a/5 -10 =50

What is a=120?

300

7d + 5 = 54

What is d=49?

400

12d + 6 =56

What is d = 6?

500

c/10 + 10 = 30

What is c = 200?