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8B1 REVIEW
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9/10 in percent
45%
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If y is 20, what is the value of x in y=3x - 4
8
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Convert 0.045 km to m
45m
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1290 divided by 47
27.45
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What is the formula in getting the area of trapezium?
A= 1/2 (b1 + b2)h
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22.5 divided by 4.5
5
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If x is -3, what is the value of y in y=3x - 4
-13
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36.8 divided by 8
4.6
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What is the 9 raise to 3?
729
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If y is 2, what is the value of x in y=3x - 4
2
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A delivery driver travels 1200 meters to the first stop, and then 1800 meters to the second stop. How many kilometers does he travel in total?
3km
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Which is larger? a. 65 / 10 raise to 3 b. 65/10 raise to 6
a
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5/8 in percent
62.5%
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0.20 x 45
9
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25 divided by 34
25.74
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What is the y - intercept in y = -3x + 7
(0, 7)
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2048 divided by 61
33.57
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7/10 in percent
70%
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1567 divided by 53
29.57
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What is the gradient in y = 2x + 5?
2/1
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3/4 in percent
75%
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36 x 7.2
259.2
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If n raise to 2, the answer is 81, what is n?
9
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Lina runs around a track that is 400 meters long. She runs 8 laps. Work out how many kilometers she runs?
3.2 km
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3987 divided by 78
51.12
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Calculate 0.1 × 0.2 × 0.3 × 0.4 without using a calculator.
0.0024
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5/8 x 3/4
15/32
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Expand and simplify 6x - 2(x-5)
4x + 10
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7/10 divided by 1/5
b. add
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Convert 0.067 km to m
67m
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What type of number is square root of 64? rational or irrational
rational
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3 + 6(x + 2) = 30 What is the value of x?
5/2
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Expand 9p - 5(p -6)
4p + 30
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7(x-3) + 10 = 50 What is the value of x?
61/7
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2.4 divided by _____ = 12
0.2
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