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05-06-2017
Mathematics

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Evaluate the expression described below if the number is –2. The quotient of three less than twice a number and the number squared. A.3 B. 1/4 C. -5/2 D. -7/4

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05-06-2017

(2x-3)/x^2
if the number is –2
then
[2(-2) - 3] / (-2)^2
= (-4-3)/4
= -7/4

answer is
D. -7/4

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