Review for Unit 1 Test

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100

The quotient of a number and -2.

x/-2

200

Three less than twice a number.

2x - 3

300

Twice a number divided by 6 is 42.

  2x    = 42
  6

400

Ten increased by the product of a number and 6 is at most -15.

10 + 6x < -15

500

One less than the product of a number and 3 is 5 more than the number itself.

3x - 1 = 5 + x

Evaluate Expressions

100

4|m - n|          if m=-7 and n=2

36

200

19 - x²       if x = -5

- 6

300

s²t - 10           if s = -8  and t = 3/4

38

400

4p² + 7q³         if p = -3  and q = -2

-20

500

3|x + y|² - (xy)²      if x = -1  and y = -2

23

Simplify

100

3x - 7x + 1

-4x + 1

200

-2y + 14 - 9y + 5

-11y + 19

300

4xy - 6xy + 5y - 9x

-2xy - 9x + 5y

400

-6 + 3a - b - 4a + 4b + 5

-a + 3b - 1

500

6n² - 2n - 3 + 5n² - 9n - 6

11n² - 11n - 9

Order of Operations

100

7 + 54 / 3(2)

43

200

17 - 2⁵ / 4 + 6

15

300

(8 - 5)³ - |5² - 4³| / 3

14

400

- |9-10| + 12² / 6 * 3

71

500

12 [ 30 - (9 + 4²)]

     |10| - |-6|

15

Distribute and Simplify

100

-6( z - 1) 

-6z + 6

200

b( a - 6)

ab - 6b

300

6(x + 1) - 5(x + 2)

x - 4

400

6(p + 6) - (p - 6)

5p + 42

500

21 -  8(w + 3) +3 +7w

-w