Write the equation of the axis of symmetry.y = 2x2 - 8x + 18

A. x = 10
B. x = 2
C. x = -10
D. x = 0


Answer: B

Mathematics

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A. 0 B. 2 C. -2 D. 8 E. -8

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If the given sequence is a geometric sequence, find the common ratio.4, 8, 16, 32, 64

A.
B. not a geometric sequence
C. 8
D. 2

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Solve the system by the elimination method.2x - 6y = 5-8x + 24y = -20

A. {(-30, 10)} B. {(10, -30)} C. {(x, y)|2x - 6y = 5} D. ?

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Solve the inequality. Graph the solution set, and state the solution set in interval notation.|5k + 8| < -5

A.

B.

C.  ? 

D. ?

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