Section 4.2 - Solving Linear Equations Using Inverse Operations

10 Questions | By Seixeiroda | Updated: Mar 21, 2022 | Attempts: 314

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1.

Which inverse operation should be applied first to solve 3x + 5 = 10?
- A.
  
  Addition
- B.
  
  Subtraction
- C.
  
  Division
- D.
  
  Multiplication
2.

Solve 5x + 3 = 23
- A.
  
  X = 5.2
- B.
  
  X = 20
- C.
  
  X = 4
- D.
  
  X = 6
3.

Solve x/5 + 2 = 7
- A.
  
  X = 25
- B.
  
  X = 45
- C.
  
  X = 1
- D.
  
  X = 5
4.

Write an equation for the following problem, "Half of a number minus 6 is 20"
- A.
  
  (x - 6) / 2 = 20
- B.
  
  X - 6 = 20
- C.
  
  2x - 6 = 20
- D.
  
  X/2 - 6 = 20
5.

The equation C = 2.5p + 75 can be used to represent the cost, C to rent the rollar skating rink when p attend. How much will it cost if 100 people attend.
- A.
  
  $250
- B.
  
  $325
- C.
  
  $75
- D.
  
  $175
6.

The equation P=2L + 2W can be used tp fomd the perimeter of a rectangle. A rectangular shaped playground is enclosed by a fence that is 500m. The length of the playground is 120m. Use the equation to determine the width of the playground.
- A.
  
  190m
- B.
  
  260m
- C.
  
  180m
- D.
  
  130m
7.

The equation C = 10 + 0.25m represents the cost, C of a cell phone bill if m minutes are used. Which equation represents a bill of $25?
- A.
  
  25 = 10 + 0.25m
- B.
  
  C = 10 + 0.25(25)
- C.
  
  C = 10 + 25
- D.
  
  25 = 0.25m
8.

Solve x/4 + 6= 9
- A.
  
  X = 4
- B.
  
  X = 0.5
- C.
  
  X = 60
- D.
  
  X = 12
9.

Which inverse operation should be applied first to solve 5 - 3e = 15
- A.
  
  Addition
- B.
  
  Subtraction
- C.
  
  Multiplication
- D.
  
  Division
10.

Solve (x - 3) / 5 = 10
- A.
  
  X = 13
- B.
  
  X = 65
- C.
  
  X = 53
- D.
  
  X = 47