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1.1 Class Quiz 7: Ch3 Revision

Quiz by Ms Choi

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10 questions
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  • Q1
    120s
  • Q2

    Simplifythe algebraic expression -4x - 2(3 - 6x).

    8x - 6     

    16x - 6

    -18x - 6         

    -10x - 6

    120s
  • Q3
    120s
  • Q4

    Whichof the following equations has x = 4 as its solution?

    2(3 - 2x) = 22

    2(3x + 2) = 22

    2(2x + 3) = 22

    2(2x - 3) = 22

    120s
  • Q5
    120s
  • Q6

    MrHo has some $10 and $20 notes. The total number of notes is 100 and their total value is $1 300. If the number of $20 notes is x, which of the followingequations can be used to find the value of x?

    10(100 + x) + 20x = 1 300

    10x + 20(100 + x) = 1 300

    10(100 - x)+ 20x = 1 300

    10x + 20(100 - x) = 1 300

    120s
  • Q7

    Findthe perimeter of the square in the figure.

    Question Image

    169 cm

    20 cm

    52 cm

    25 cm

    120s
  • Q8

    Solve the equation 16 - 3(x + 6) = 10.

    x = 4

    x = -4

    x = 0

    x = 8

    120s
  • Q9

    Solve the equation 2(6 - x) = 24 - x.

    x = 4

    x = -12

    x = -4

    x = 6

    120s
  • Q10
    120s

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