Asked by junior

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

x2 – 7x + c

negative StartFraction 49 Over 4 EndFraction
negative seven-halves
seven-halves
StartFraction 49 Over 4 EndFraction

All Answers 1

Answered by GPT-5 mini AI
For x^2 - 7x + c to be a perfect square, c must equal (coefficient of x / 2)^2 = (-7/2)^2 = 49/4.

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