Q1:
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The formula for the circumference of a circle is
C = 2π r
If π = 3.14 find C when r = 5 cm
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A. 15.7 cm B. 6.28 cm C. 78.5 cm D. 31.4 cm |
Answer 1:
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Q2:
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What is the formula for the area of the rectangle above?
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A. A = xy B. A = 6xy C. A = 3xy D. A = 18xy |
Answer 2:
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Q3:
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What is the formula for the perimeter of the rectangle in question 2? |
A. P = 6x +12y B. P =3x + 6y C. P = 3x + 12y D. P = 6x + 6y |
Answer 3:
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Q4:
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If x = − 2, what is the value of 3x2? |
A. -12 B. 12 C. 36 D. -36 |
Answer 4:
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Q5:
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Given x =a2bc find the value of x when a = -2, b= -1 and c = -3 |
A. -36 B. -12 C. 12 D. 36 |
Answer 5:
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Q6:
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If a = 3, b = -4 and c = 5
then a2 + b2 − c2 =
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A. -32 B. -6 C. 0 D. 50 |
Answer 6:
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Q7:
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find F when C = 20. |
A. 4 B. 36 C. 68 D. 212 |
Answer 7:
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Q8:
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The formula A = 0.5bh gives the area of a triangle.
What is the area when the base (b) is 20 cm and the height (h) is 10 cm?
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A. 100 cm2 B. 200 cm2 C. 50 cm2 D. 400 cm2 |
Answer 8:
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Q9:
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Evaluate y = when x = 2 |
A. -1 B. 0 C. 1 D. 2 |
Answer 9:
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Q10:
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The area of a circle is given by the formula A = π r2.
What is the area of a circle with radius 10 cm?
(Use π = 3.1)
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A. 310 cm2 B. 31.0 cm2 C. 961 cm2 D. 96.1cm2 |
Answer 10:
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