Mixed Review Units 5 - Start of 7

4x - 10 ≤ 22

• x ≤ 8
• x ≥ 8
• x ≤ 3
• x ≥ 3

-2x + 3(-4x + 6) ≤116

• x ≤ -7
• x ≥ 29
• x ≥ -7
• x ≤ 29

-2x + 2 > 3x - 8 

• x > -9
• x > 2
• x < -9 
• x < 2

3(x - 3) ≤ 2(x + 2)

• x ≤ -5
• x ≥ 5
• x ≥ 13
• x ≤ 13

Which graph represents the inequality 2x + 3 < 7

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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.

• 0.50x + 20 ≥ 35

• 0.50x < 35

• 0.50 + 20x ≤ 35

• 0.50x - 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

Would you have to flip your inequality sign during the solving process of the inequality below?

-3x + 2 ≤ 22

• YES

• NO

You flip an inequality symbol when you...

• subtract a number from both sides of an inequality.

• multiply or divide both sides by a number

• multiple by a side by a negative number

• multiple or divide both sides by a negative number

Which of the following could be possible solutions?

• 8

• 18

• 16

• 14

• 6