Solving Equations and Inequalities

Which of the following is the solution to the equation: 2x - 14 = 6

• -4

• 10

• 12

• 20

Tags

CCSS.7.EE.B.4A

What is the value of y that satisfies the equation above?

• 3

• 9

• 21

• 63

Tags

CCSS.7.EE.B.4A

Which of the following is the solution to the inequality -2x - 4 ≤ 11 ?

• 
• 
• 
• 

Tags

CCSS.7.EE.B.4B

Ainsley bought some shirts for her clothing store $15 each. She received $50 off her entire purchase and spent a total oof $400. Which equation shows how many shirts Ainsley purchased for her store?

• 15x + 50 = 400

• 15 - 50x = 400

• 15x - 50 = 400

• 50 - 15x = 400

Tags

CCSS.HSA.CED.A.3

Alexa started a race with a 50-meter head start. She ran at a rate of 6.25 meters per second. Which equation shows how many seconds it took Alexa to reach 200 meters past the starting line?

• 50 - 6.25x = 200

• 50x + 6.25 = 200

• 50 + 6.25x = 200

• 50x - 6.25 = 200

Tags

CCSS.7.EE.B.4A

Solve the following inequality. 
2(x - 3) - 5x $\le$ 9

•  $\le$  -5

•  $\ge$  -5

•  $\le-1$  

•  $\ge$  1

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.8

Find the error in the problem below

19 - 2k = 3k - 1

+3k +3k

19 + 1k = -1

-19 -19

k = -20

• They should have divided by 1 for the last step

• They should add 19 instead of subtracting 19

• I can not find an error

• Instead of adding 3k they should subtract 3k

Tags

CCSS.HSA.REI.A.1

What is the first step in solving the following problem?

2x+10=22

• Add 10 to each side

• Divide by 2

• Subtract 10 from each side

• Multiply by 10

Tags

CCSS.7.EE.B.4A

Solve:  6z + 3 -4z = 9

• z = 3
• z = 60
• z = 30
• z = 1

Tags

CCSS.8.EE.C.7B

Solve:  4 = 2(x + 3)

• 1/2
• 7/2
• -1
• 5

Tags

CCSS.7.EE.B.4A