Write the equation of the axis of symmetry.f(x) = x2 - 16x + 70
A. x = -8
B. x = 6
C. x = 0
D. x = 8
Answer: D
Mathematics
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Compute the slope of the line segment determined by the given pair of points.P(1, 3), Q(2, 1)
A. - 2
B. 2
C. - 
D. 
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Factor the polynomial completely using the trial and error method.20x3 + 33x2 + 10x
A. (4x2 + 5)(5x + 2) B. x(4x + 5)(5x + 2) C. x2(4x + 5)(5x + 2) D. x(5x + 5)(4x + 2)
Mathematics
Multiply the binomials.(x2 + 8)(3x2 + 7)
A. 3x4 + 30x2 + 56 B. 3x4 + 31x2 + 56 C. 3x4 + 56x2 + 31 D. x4 + 31x2 + 31
Mathematics
Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20 B. 100 C. 10 D. 500
Mathematics