
1.1 Class Quiz 7: Ch3 Revision
Quiz by Ms Choi
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- Q1120s
- Q2
Simplifythe algebraic expression -4x - 2(3 - 6x).
8x - 6
16x - 6
-18x - 6
-10x - 6
120s - Q3120s
- 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 - Q5120s
- 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.
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 - Q10120s