If 16x2 + 24x + h is a
perfect square, find h.
Solution
a = 16, b = 24, c = h.
b2 = 4ac
(24)2 = 4 x 16 x h
576 = 64h
576 = 64h
64
64
h = 9
Hence h = 9
TRY THIS...............
If 4x2 + 12x + w is
a perfect square, find w.
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