Final Exam - Math Lab 2020

What is the first step to solve this equation:

-3x + 11 = 44

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5
• Add 6 to both sides and multiply both sides by 5
• Subtract 6 from both sides then multiply both sides by 5
• Subtract 6 from both sides then divide both sides by 5

Tags

CCSS.7.EE.B.4A

4x - 7 = 21

• x = 12

• x = 7

• x = 24

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

3c + 5 = 23

• c = 3
• c = 6
• c = 7
• c = 18

Tags

CCSS.7.EE.B.4A

4(4+4x)=96

• 5

• 1.5

• 9

• 10

Tags

CCSS.7.EE.B.4A

Five times a number minus 4 is six. What is the number?

• 50

• 2

• 2/5

• 10

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Solve:
2(a + 4) = 2a - 8 + 4a

• 3
• -3
• -4
• 4

Tags

CCSS.8.EE.C.7B

What does the word "inverse" mean?

• To stay the same

• To do the opposite

Tags

CCSS.HSF.BF.B.4

What is the inverse operation of multiplication?

• addition
• subtraction
• division
• none of the above

Tags

CCSS.7.NS.A.2

What is the inverse operation of addition?

• addition
• subtraction
• multuplication
• division

Tags

CCSS.HSA.REI.A.1