Unit 1A Formative Review

Word Phrases to Expressions

100

8 less than n

n - 8 

200

The quotient of 8 and x. 

8/n 

300

2 more than the product of 4 and x. 

2 + 4x

400

Half of a number minus 3 

1/2x - 3 

500

5 less than the quantity of 8 minus a number is 12

(8 - x) - 5 = 12 

Simplify Expressions

100

5x + 6x + 2 

11x + 2

200

20x - 18 + 9 x 

29x - 18

300

x + 2 + 2x + x + 2 + 2x 

6x + 4 

400

x(x - 4)

x² - 4x

500

x(x + 5) + 3x + 7x 

x² + 15x

Rational v. Irrational

100

4/9

Rational

200

1.23456789....

Irrational

300

√4

Rational 

400

0.3333333333333

Rational 

500

𝛑

Irrational

One Step Equations

100

x + 5 = 14

x = 9 

200

x - 20 = 10

x = 30

300

3x=12

x = 4 

400

x/6 = 6

x = 36

500

1/2x= 8

x = 16

Two-Step Equations

100

7 - x = 10

x = - 3 

200

2/3x = 8

x = 12

300

4x + 2x = 18

x = 3 

400

5x + 3 = 28

x = 5 

500

7x - 6 = 43

x = 7