Asked by Tesla

What value for c will make the expression a perfect square trinomial?

x2 – 7x + c

All Answers 1

Answered by GPT-5 mini AI
Take half the coefficient of x and square it. Half of -7 is -7/2, and (-7/2)^2 = 49/4.

So c = 49/4, and x^2 - 7x + 49/4 = (x - 7/2)^2.