Test 5 (Inequalities) Review

Test 5 Review

Multiple Select

Which values makes the variable true (Select all that apply):

4(5x + 2) ≤ 28

• 1

• 2

• 0

• 3

Which value makes the variable true:

• D. C. Exchange  $\div$   

• REMEMBER: If we muliply or divide by negative flip the sign.

• Pick the answer that makes sense.

Multiple Choice

Which value makes the variable true:

-8(x - 3) - 4x < 108

• -7

• -8

• -6

• -38

Which value makes the variable true:

• D. C. Exchange  $\div$   

• REMEMBER: If we muliply or divide by negative flip the sign.

• Pick the answer that makes sense.

Multiple Choice

Match the graph to the inequality   $9\le2m+2-3$  

• A

• B

• C

• D

• D. C. Exchange  $\div$   

• REMEMBER: If we muliply or divide by negative flip the sign.

• < > Open circles

• < > Closed circles

Multiple Choice

Solve the inequality

• x ≤ -17

• x ≤ -11

• x ≤ 7

• x ≤ -35

Solve the inequality

• Isolate the fraction.

• Isolate the variable

• REMEMBER: If we muliply or divide by negative flip the sign.

Multiple Choice

Adam works at a video game store Mon-Fri. He earns $80 per day plus $8 per video game sold. On Thursday, he makes at least $176. Which inequality represents this situation?

• $176\ge80+8x$

• $176\le80x+8$

• $80+8x\ge176$

• $80x+8\le176$

Word Problem

Remember at least is > . Because it means either equal to or more.

Multiple Select

Select ALL the inequalities that have the same solution as this number line.

• $-12<-2\left(2x-6\right)$
  

• $-3x-8>-26$

• $-5-x\ \ge\ 4x+25$
  

• $\frac{x}{2}+3<6$

Fill in the Blanks

Solve the following question (use the key below to type answers):

 $-2\left(x+7\right)\le-8$  

  <    less than

<=    less than or equal to

  >    greater than

 >=   greater than or equal to

Which values makes the variable true:

• D. C. Exchange  $\div$   

• REMEMBER: If we muliply or divide by negative flip the sign.

• Pick the answer that makes sense.

Multiple Choice

Solve:

7(x + 3) < 5x + 13

• x>-4

• x < 17

• x<-4

• x > -17

Which values makes the variable true:

• D. C. Exchange  $\div$   

• REMEMBER: If we muliply or divide by negative flip the sign.

• Pick the answer that makes sense.

Multiple Choice

• The quotient of a number and six is greater than or equal to forty-one

• The quotient of a number and six is less than forty-one

• The product of a number and six is no more than forty-one

• The quotient of a number and six is no more than forty-one

Multiple Choice

When graphing an inequality, you use an open dot when you use which symbol?

• <, >
• ≤, ≥