Semester 1 Review

Fractions & Decimals

100

Simplify

33/45

11/15

200

9.42 + 3.254

12.674

300

3 1/6 - 5/6

2 1/3

400

1 3/4 ÷ 1/2

3 1/2 or 3.5

500

2 1/2     X      4.5

11.25 or 11 1/4

Integers

100

Write an integer to represent the situation.

The temperature dropped from 8 degrees

-8

200

-42 ÷ 7

-6

300

-13  X  -4

52

400

-38 + -17

-55

500

-3-(-9)

6

Expressions

100

Simplify

4x+41-x+5x

8x+41

200

In the expression 4d-9, 4 is called the what?

Coefficient

300

Evaluate if x=11 and y=8

x²-4y+12

101

400

Simplify

7x+3(8x+7)

31x+21

500

Simplify

8x-3(-4x+2)

20x-6

Equations

100

96=-3w

w=-32

200

72+x=43

x=-29

300

48=3r-15

r=21

400

3/4n-17=-5

n=16

500

-3(2x-4)=18

x=-1

Inequalities

100

12g<48

g<4

200

x-5>16.7

x>21.7

300

Graph the inequality on a number line.

3x<54

<-----------o                >

18

400

(h/2)-8>18

h>52

500

10-z<35

z>-25