PERFECT SQUARES 2

If 16x² + 8x + h is a perfect square, find h.

Solution

a = 16, b = 8, c = h.

b² = 4ac

(8)² = 4 x 16 x h

64 = 64h

 64  =   64h

 64       64

           

h = 1

Hence h = 1

TRY THIS...............

If 25x² + 10x + w is a perfect square, find w.