Unit 1 CFA 3 Review

What is the solution to the inequality: x - 7 < 12?

• x < 19

• x > 19

• x < 5

• x > 5

Tags

CCSS.7.EE.B.4B

Solve the inequality: -3x + 4 ≥ 25.

• x ≥ -7

• x ≤ -7

• x ≥ -8

• x ≤ -8

Tags

CCSS.7.EE.B.4B

Which of the following is the solution to 2(4x - 3) ≤ 18?

• x ≤ 3

• x ≥ 3

• x ≤ 2

• x ≥ 2

Tags

CCSS.7.EE.B.4B

If Elena has $45 saved and earns $25 per week, which inequality represents the number of weeks (w) she needs to save at least $200?

• 45 + 25w ≥ 200

• 45 + 25w ≤ 200

• 25w - 45 ≥ 200

• 25w + 200 ≥ 45

Tags

CCSS.7.EE.B.4B

Which of the following inequalities is equivalent to 7x - 5 > 3x + 11?

• x > 4

• x < 4

• x > 2

• x < 2

-2x + 3(-4x + 6) ≤116

• x ≤ -7
• x ≥ 29
• x ≥ -7
• x ≤ 29

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

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

• .50 + 20x ≤ 35

• .50x - 20 = 35

Tags

CCSS.7.EE.B.4B

The Rug store installs carpet for $80 plus $9.50 per square yard of carpet. The Magic Carpet charges $120 for installation and $7.50 per square yard of carpet. Write an inequality that could be used to determine the number of square yards of carpet that need to be installed for The Rug Store to charge more than The Magic Carpet.

• 80+9.50x > 120+7.50x
• 80+9.50x < 120+7.50x
• 80x+9.50 > 120x+7.50
• 80x+9.50 < 120x+7.50

Tags

CCSS.7.EE.B.4B

Cody’s Gym charges a $15 fee to join and $30 per month. Tyler’s Gym charges a $30 fee to join and $20 per month. Write an inequality that could be used to determine after how many months Tyler’s gym would be a better deal.

• 30 + 20x < 15 + 30x
• 30x + 20 < 15x + 30
• 30 + 20x > 15 + 30x
• 30x + 20 > 15x + 30

Tags

CCSS.7.EE.B.4B

Mona is ordering cups for her school.  Company A charges $3.50 for each cup and a one-time starter fee of $14.  Company B charges $0.50 for each trophy and a one-time starter fee of $22.  
Which inequality can be used to find x, the minimum number of cups that can be ordereed so that the total charge at Company A is less than the total charge at Company B?

• 3.5x + 14 < 0.5x + 22
• 3.5x + 14 > 0.5x + 22
• 3.5 + 14x < 0.5 + 22x
• 3.5 + 14x > 0.5 + 22x

Tags

CCSS.7.EE.B.4B