5.4-5.7 Quiz

Inequality #1

100

#1. 

Solve 

X + 5 > 3

Graph the solution

x > -2

Open circle with arrow going right

200

#2

Solve 

x + 5 ≤ 3

x ≤ -2

closed circle, arrow going left

300

#3

Solve

x + 20 > 7

x > -13

open circle, arrowing going right

400

#4

d + 13 ≥ 19

d ≥ 6

500

#5

g - 13 < 19

g < 32

Inequality #2

100

#6

How is solving inequalities with multiplication and division similar to and different from solving equations with multiplication and division?

You use inverse operations to isolate the variable. Inequality signs flip when you multiply or divide by a negative. 

200

#7

Solve 

4x > 12

then graph

x > 3

open circle going right

300

#8

Solve 

x/4 ≤ -12

then graph 

x ≤ -48

closed circle, arrow going left

400

#9

Solve

-7x > 56

then graph 

x < -8

open circle going left

500

#10

Solve

x/-12 > 6

x < -72

Inequality #3

100

#11

Solve

3x < 90

x < 30

200

#12

Solve

-d > 0.5

d < -0.5

300

#13

Solve 2x + 6 < 10 

x < 2

400

#14

Solve

12 - 3y < 27

y > -5

500

#15

-v/32 > -2

v < 64

Inequality #4

100

#16

Explain how to find the value of the variable in inequalities using addition and subtraction.

Isolate the variable by using inverse operations. 

200

#17

8 - 1/4n > 20 

n < -48