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Two consecutive positive even integers have a product of 168. The smaller integer is:

Class 10Quadratic Word ProblemsAlgebra — Quadratics

A24
B11
C12
D13

Step-by-Step Solution

Let them be

x

and

x + 2. x (x + 2) = 168, x^{2} + 2 x - 168 = 0, (x + 14) (x - 12) = 0

. So

x = 12

.

Answer: C) 12

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