Subject

Algebra

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Quizzes in Algebra

What type of equation is 3(x + 0) = 3x + 0?

  • No solution
  • One solution only
  • Only true when x = 0
  • Identity: true for every value of x
Correct answer(s):
  • Identity: true for every value of x

The length of a rectangle is 3 cm more than its width. If the perimeter is 26 cm, what is the width?

  • 6 cm
  • 5 cm
  • 8 cm
Correct answer(s):
  • 5 cm

A student solves 3(x + 4) as 3x + 4. What is the mistake?

  • The 3 was not multiplied by 4
  • The plus sign should become minus
  • The x should be divided by 3
Correct answer(s):
  • The 3 was not multiplied by 4

What type of equation is 4x – 2 = 14?

  • One solution: x = 5
  • Identity: true for every x
  • One solution: x = 4
  • No solution
Correct answer(s):
  • One solution: x = 4

The length of a rectangle is 6 cm more than its width. If the perimeter is 44 cm, what is the width?

  • 14 cm
  • 8 cm
  • 11 cm
Correct answer(s):
  • 8 cm