Unit 1 Test Review

Simplify

100

10-2*3³+12

4

200

[(-5+1)/2]³ - | 7|

-15

300

(25+5²/5)  / ( 7-12/4+2)

5

400

  (  (3-7)²+11 )   /   (|-2|+|-1|  ) 

9

500

4*8 / 2 + 16/2²

20

Evaluate Expressions

100

3x² - 8y²  x = 2 and y = -3 

-48

200

|a - 4b| a = 7 b = 2 

1

300

w² +2xy  x = -3 y = 1 w = -2 

-2

400

( 7c² +5) / (4a - b)  a = 1 b = -5 c = - 4 

13

500

3x³-5y²+9w²  x = - 1 y = 2 w = 4

121

Translate

100

the product of a number and 7 is 21

7x = 21

200

5 more than three times a number is 16

5+3x=16

300

the difference of four times a number and 8 is 32

4x-8=32

400

8 less than twice a number is 16

2x-8=16

500

the quotient of a number and 2 decrease by 6 is 18

x/2 - 6 = 18

Solve

100

3x - 7 = 11

6

200

x/4 + 8 = 3

-20

300

2/5 x - 3 = - 17 

-35

400

-2(x + 2) = -4(2x - 20) 

14

500

4x - 7 = -2(2x+35)

-7.875

absolute value

100

| -21| + |5|

26

200

|-10-4|

14

300

|17| - |35|

-18

400

7x - 4y - 8 - 3x - 8y + 12

4x -12y + 4

500

18 - 2(4x + 7) + 5x

-3x+4