CH 7 (Inequalities) Review

What value satisfies the following? Choose all that apply.

 $\frac{\text{y}}{\text{3}}\le12$  

• 24

• 39

• 12

• 36

Which of the following is a solution to 2x>6? Choose all that apply.

• -3

• 12

• 3

• 5

Bob wants to save $500 for a trip. Which inequality shows the least amount he must save each month for 6 months to accomplish this?

• $6x\le500$

• $6x<500$

• $6x\ge500$

• $x\ge500\ +\ 6$

Bruce earns a 20% commission on all sales plus a base salary of $40,000. His total incomplete last year was more than $70,000. Which inequality can be used to calculate the minimum number of TJ's sales?

• $40,000+0.2x\ge70,000$

• $40,000-0.2x\ge70,000$

• $0.2\ +\ 40,000x\ge70,000$

• $70,000+0.2x\ge40,000$

Steve wants to buy a ticket for $15.75. He has $9.25. At least how much must be earn to buy the ticket?

• at least $1.70

• at least $6.50

• at most $25

• at most $145.69

There are 125 members in the school marching band. The band wants raise $25,000 for a national competition. The school agreed to contribute $5,000 towards the trip. Which inequality shows the amount that each band member should raise?

• $125x+25,000\ge5,000$

• $125x+5,000\ge25,000$

• $5,000x\ +\ 125\le25,000$

• $125x\ +\ 5,000\le25,000$

What is the solution to the inequality

 $-2x-4\le12$  

•  $x\le8$  

•  $x\le-8$  

•  $x\ge8$  

•  $x\ge-8$  

Solve the inequality  $\frac{x}{6}<1$  

• x<6

• x>6

• x<7

• x<0.16

 $x+8>5$  

Solve the following inequality

• x < -3

• x > -3

• x < 3

• x > 3

 $x\ge7$  

What would he graph for the following solution look like?

• closed circle, highlight the larger side

• closed circle, highlight the smaller side

• open circle, highlight the larger side

• open circle, highlight the smaller side