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Unit Quiz: Factorising (single bracket)

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Q1. Expand 2(a + 4)

Options:

  1. 2a + 4
  2. 2a + 8
  3. 6
  4. 24a

Correct Answer:

  1. 2a + 8

Q2. Factorise 2a – 8

Options:

  1. 2(a - 8)
  2. 2a(1 - 4)
  3. 2(a - 4)
  4. None of these!

Correct Answer:

  1. 2(a - 4)

Q3. The expression for the area of this rectangle is 2y – 8. Find the expression for the missing length.

Options:

  1. 2y
  2. y – 4
  3. 2y - 4
  4. y + 4

Correct Answer:

  1. y – 4

Q4. Has 2(2y + 4) been fully factorised?

Options:

  1. Yes
  2. No, it should be 4(y + 2)
  3. No, it should be 2(2y + 1)

Correct Answer:

  1. No, it should be 4(y + 2)