cchavcchav1729 cchavcchav1729

22-01-2018
Mathematics

contestada

What value of c makes the polynomial below a perfect square? 4x2 + 12x + c?

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blessedmom1 blessedmom1

22-01-2018

This is what we know:4x^2 + 12x + c = (2x + k)^2
4x^2 + 12x + c = 4x^2 + 2kx + 2kx + k^2
c=9

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shanicedw shanicedw

22-01-2018

blessesmom1 is correct C would equal 9

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