How do you get -15/16 out of (8*1/2)/((1/2)^2-4)

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Guest Oct 9, 2014

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Best Answer

8 x 1/2 = 4

(1/2)^2 - 4 = 1/4 - 4 = 1/4 - 16/4 = -15/4

Now, you have: (4) / (-15/4) = 4 x 4/-15 = - 16/15 (To divide, multiply by the reciprocal.)

The answer is -16/15 not -15/16

geno3141 Oct 9, 2014

geno3141 · Answer 1 · 2014-10-09T02:19:42

8 x 1/2 = 4

(1/2)^2 - 4 = 1/4 - 4 = 1/4 - 16/4 = -15/4

Now, you have: (4) / (-15/4) = 4 x 4/-15 = - 16/15 (To divide, multiply by the reciprocal.)

The answer is -16/15 not -15/16