Alg 1 Chapter 2 Test Review

1 & 2 Step Equations

100

Solve for x

x + 4 = 18

x = 18

200

Solve for y

11 = y - 9

y = 20

300

Solve for x

3x = 24

x = 8

400

Solve for a

3a - 4 = 11

a = 5

500

Solve for w

3 - 4w = 19

w = -4

Equations with a variable on each side

100

Solve for x

2x = x + 3

x = 3

200

solve for m

3m = m - 10

m = -5

300

Solve for m

4m + 8 = 5m - 9

m = 17

400

Solve for y

4(y + 2) = 8y + 10

y = -1/2

500

Solve for x

3(2x - 5) = 5(-x + 19)

x = 10

Absolute Value

100

| x | = 13

x = 13

x = -13

200

| x | = -6

no solution

300

| x - 5 | = 21

x = 26

x = -16

400

| 3x | = 9

x = 3

x = -3

500

| 4x - 12 | = 16

x = 7

x = -1

Proportions

100

Decide whether the following ratios are a proportion or not

3/8 = 9/26

no

200

Find the missing variable

x/5 = 9/15

x = 3

300

Find the missing variable to make the ratios a proportion

4/x = 16/80

x = 20

400

Find the missing variable to make the ratios a proportion

(x+6)/5 = 4/10

x = -4

500

Find the missing variable to make the ratios a proportion

(x-3)/6 = (x+5)/12

x = 11

Using Formulas

100

Solve for A

W = A/4

A = 4W

200

Solve for m

mg = W

m = W/g

300

DAILY DOUBLE

Solve for x

A = x + y - 5

x = A - y + 5

400

Reuben went for a drive in his new car. He drove at a speed of 63 miles per hour for 403.2 miles. For how many hours did he drive?

6.4 hours

500

An aquarium tank holds 39 gallons of water. How much is this in liters? 

Use the following conversion: 1 gallon is 3.8 liters.

148.2 liters