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bonufazy [111]
3 years ago
11

Fine the following when a=-2, b=4, c=7 7b-12 over 2ac

Mathematics
1 answer:
iren [92.7K]3 years ago
3 0
Hello!

You have to put the numbers in for the variables in the equation

\frac{7b - 12}{2ac}

Put the numbers in

\frac{7(4) - 12}{4(-2)(7)}

Combine like terms

\frac{28 - 12}{-56}

\frac{16}{-56}

The is is \frac{16}{-56} or about -0.29

Hope this help!
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