Inequalities

You want to purchase a cell phone for $325.75 including tax. You have already saved $115 and can save $22 a week. Which inequality can be used to find the number of weeks it will take to save at least $325.75?

• 22w + 115 > 325.75

• 22w + 115 < 325.75

• 22 + 115w < 325.75

• 22w + 115 < 325.75

Tags

CCSS.7.EE.B.4B

Ashley set a goal of saving a minimum of $200 in a savings account. She currently has $60 in the account. If she deposits $5 of her weekly allowance per week, how many weeks will it take her to reach her goal?

• 60x + 5 > 200

• 5x + 60 > 200

• 5x + 60 < 200

• 60x + 5 < 200

Tags

CCSS.7.EE.B.4B

Caleb is making lemonade and cookies for the school bake sale and he has 10 cups of sugar. The lemonade requires two cups of sugar and each batch of cookies uses 1 and 1/2 cups of sugar. What is the maximum number of batches of cookies he can make?

• 1.5x - 2 > 10

• 2x - 1.5 > 10

• 2x - 1.5 < 10

• 1.5x - 2 < 10

Tags

CCSS.7.EE.B.4B

When graphing b < 6 would you use an open or closed circle?

• Open
• closed

Tags

CCSS.6.EE.B.8

Do I need to flip my sign?
-3x  ≥ 12

• Yes
• No

Tags

CCSS.6.EE.B.8

16 - 4a > 8

• a<-2
• a>-2
• a<2
• a>2

Tags

CCSS.7.EE.B.4B

Solve and graph the inequality.
7n - 1 > 76

• A
• B
• C
• D

Tags

CCSS.7.EE.B.4B

-3x − 4 < 5

• x > -3
• x < -3
• x < (1 ⁄ 3)
• x > (1 ⁄ 3)

Tags

CCSS.7.EE.B.4B

When you graph an inequality, you use a closed dot when you use which symbols?

• ≤, ≥

• <, >

Tags

CCSS.6.EE.B.8

Solve the inequality.
-7x + 1 ≤ 22

• x < 3
• x ≤ 3
• x > -3
• x ≥ -3

Tags

CCSS.7.EE.B.4B