Find the following when a = - 2, b = 4, c = 7: (7b - 12) / (2ac)

Question

Lou

Mathematics

3 January, 19:49

Find the following when a = - 2, b = 4, c = 7: (7b - 12) / (2ac)

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Answers (2)

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Simba · Answer 1

I think 44 that should be it double check

Teagan Barker · Answer 2

If you would like to calculate (7 * b - 12) / (2 * a * c) when a = - 2, b = 4, c = 7, you can do this using the following steps:

(7 * b - 12) / (2 * a * c) = (7 * 4 - 12) / (2 * (-2) * 7) = (28 - 12) / ( - 28) = 16 / (-28) = - 4/7

a = - 2, b = 4, c = 7

The correct result would be - 4/7.