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Let 7x^2 + 8x = h. What value of h will give us exactly one solution for x?

 May 19, 2022
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turn this into: 7x^2 + 8x - h = 0

using the quadratic formula to find the solutions:\({-8 \pm \sqrt{64+28h} \over 14}\)

this means that \(\sqrt{64+28h}\) = 0

h = \(-\)\(16\over 7\)

 May 19, 2022

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