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2.1 Class Quiz 4: Expansion and Factorisation

Quiz by Ms Choi

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10 questions
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  • Q1

    Which is the correct expansion of: (3m + 4)(m - 6)

    3m^2-18m+4m-24

    3m^2-18m+4m+24

    3m^2+18m-4m+24

    3m^2+18m-4m-24

    60s
  • Q2

    Find the coefficient of the xy term in the expansion of (10x - 3y)(4x - 9y).

     -78

    78

    -102

    102

    60s
  • Q3

    Factorize (3x+ 7)2 - (3x + 7)(2x - 1).

    (3x + 7)(x + 8)

    (3x + 7)(x + 6)

    (3x + 7)(5x + 8)

    (3x + 7)(5x + 6)

    60s
  • Q4

    Factorize 2ax - 5by - bx + 10ay.

    (2a - b)(x + 5y)

    (2a + b)(x + 5y)

    (2a - b)(x - 5y)

    (2a + b)(x - 5y)

    300s
  • Q5

    Factorize (x + y)(x - y) - x - y.

    (x + y)(x - y + 1)

    (x - y)(x + y + 1)

    (x - y)(x - y -1)

    (x + y)(x - y -1)

    300s
  • Q6

    Expand: 3(5x - 2)

    5x - 6

    5x - 2

    15x - 2

    15x - 6

    45s
  • Q7

    Expand  (–3 + y)(6y).

    3 + 12y

    18y + 6y2

    –18y + 6y2

    –3y + 7y2

    45s
  • Q8

    Expand (x2 + 2)(x2 – 2).

    x4 – 4

    x4 + 4

    2x2 – 4

     2x2 + 4

    60s
  • Q9

    Expand (3h- 8)(5h - 11).

    15h2 + 73h + 88

    B.   

    15h2 - 73h + 88

    15h2 + 73h - 88

    15h2 - 73h - 88

    120s
  • Q10

    Simplify (5x- 3y) - (2x- 5y).

    3x + 2y

    7x - 8y

     3x - 8y

    7x + 2y

    60s

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