Algebra Writing and Solving Inequalities

-5(1 - 4a) > -5

• a > 0
• a < 5
• a < 0
• a > 5

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

Which is a solution of
5(v + 3) - 10v > -10

• v < 5
• v > 5
• v > -5
• v < -5

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Solve:
8 - 3k < 8(1 - 7k)

• k < 5
• k > 5
• k < -33
• k < 0

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

Solve:
8m - 9 > 71

• m > 10
• m > 1
• m < 1
• m > -48

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Solve.

• x > -28
• x > 28
• x > -14
• x > 14

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

When you graph an inequality, when do you use the following symbols?

Groups:

(a) Open Circle

,

(b) Closed Circle

• The solution is not part of the solution set.

• The solution is part of the solution set

Tags

CCSS.HSA.REI.D.12

You want to spend at most $1200 on a new laptop.  If you make a $400 down payment, then pay the same amount every month for 12 months.  Which Inequality could be use to solve to find out how much you can pay each month? ​ (a)   What is the least amount you can pay each month? ​ ​ (b)  

• 66 dollars
• 67 dollars

Sue's lunch account has $25 and she spends $2.50 every day. Troy's lunch account has $50 and she spends $3.25 every day. Write an inequality that shows when Sue's account will be more than Troy's.

• 25 - 2.5d > 50 - 3.25d
• 25 - 2.5d < 50 - 3.25d
• 25 + 2.5d > 50 + 3.25d
• 25 + 2.5d < 50 + 3.25d

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

The temperature in the ice rink must stay below 50°F. This morning, the temperature was 71°F. The ice rink runs a cooling device that can decrease the temperature by 3.5° every hour. How long it will take for the temperature to fall below 50°F?

• 6 hours

• more than 6 hours

• less than 6 hours

• 7 hours

• at most 6 hours

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

The vet told Casey that her dog should weigh at most 70 lbs. Her dog weighs 106 pounds, so Casey set a goal that he would lose 4 pounds per week. Which inequality represents the number of weeks it take for Casey's dog to reach 70 lbs?

• 106 - 4x ≤ 70
• 70 + 4x ≤ 106
• 4x - 106 ≥ 70
• 106 - 4x< 70

Tags

CCSS.7.EE.B.4B