Question

How do you find the values of k that will make x2+kx+36 a perfect square?

Answer 1

TAKE A PERFECT SQUARE SUCH AS 64 so

X2+KX+36=64

IF X = 1 THEN

1*2+K*1+36=64

2+K+36=64

2+K=64-36

K=28-2

K=24