4.3 Solving Inequalities Practice

Select all of the values that are solutions to  $x\ge-8$  

• -8.01

• 8.01

• 8

• -8

When graphing do you use an open or closed point for > ?

• Open

• Closed

When graphing do you use an open or closed point for < ?

• Open

• Closed

You spend at least 50 minutes practicing football each day. You spent 28 minutes practicing this morning. You want to practice twice as long in the afternoon. How long will you need to practice for?

• 28 + 2x < 50

• 28 + 2x < 50

• 28 + 2x > 50

• 28 + 2x > 50

Tags

CCSS.7.EE.B.4B

 $10-3x<16$  

• x < -2

• x > -2

• x < 2

• x > 2

Which graph represents $x\ge2$  ?

• 
• 
• 
• 

Penelope is going to the carnival to ride the rides. It costs $20 to get into the carnival and ride tickets are $0.50 each. Write an equation that represents this scenario if she can spend no more than $35 in all.

• .50x + 20 ≥ 35

• .50x < 35

• .50x + 20 ≤ 35

• .50x - 20 = 35

A limo driver needs to make more than $450 in one day.  He charges a rental fee of $375 and $0.85 per mile.  What inequality represents the number of miles, x, he would have to drive to reach his goal?

• 0.85x + 375 > 450
• 0.85x + 375 < 450
• 0.85 + 375x > 450
• 0.85 + 375x < 450

Tags

CCSS.7.EE.B.4B

 $\frac{1}{2}x+5>7$  

• x > -4

• x > 4

• x > 9

• x > -9

 $y-4>-8$  

• y < 4

• y < -12

• y < -4

• y < 12