Unit Test - Solving Linear Equations

What is the inverse operation of subtraction?

• Subtraction
• Multiplication
• Division
• Addition

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.7

CCSS.2.NBT.B.9

What is the inverse operation of addition?

• addition
• subtraction
• multuplication
• division

Tags

CCSS.3.NBT.A.2

What is the definition of a variable?

• The letter used to represent a quantity
• The little number or letter used to raise to a power
• The number in front of a variable
• The number with no variable

Tags

CCSS.6.EE.B.6

Which operation will cancel out multiplication?

• A.  Addition
• B. Subtraction
• C. Multiplication
• D. Division

Tags

CCSS.3.OA.C.7

Solve:
-4x = 24

• 20
• -20
• 6
• -6

Tags

CCSS.6.EE.B.7

In the equation
x + 7 = 12
7 is being added to the variable, x. How should you show your work to isolate the variable and solve the equation? 

• Subtract 7 from both sides. The solution is x = 5.
• Add 7 to both sides.
  The solution is x = 19.
• Multiply both sides by 7 The solution is x = 84.

Tags

CCSS.6.EE.B.7

Solve the equation:
x - 4 = -3

• x = -7
• x = 1
• x = 12
• x = -12

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

Solve 2x - 3 = 1

• 3

• 2

• 1

• -2

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

Solve for a:

33 = 4a - 7

• a=-10

• a=10

• a=4.5

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