What value of c makes the polynomial below a perfect square?

x^2 + 14x + c

c =

A. 49

B. 28

C. 7

D. 196

Question

Mathematics

Madeline Wilkins

8 August, 15:48

What value of c makes the polynomial below a perfect square?

x^2 + 14x + c

c =

A. 49

B. 28

C. 7

D. 196

+1

Answers (1)

Know the Answer?

Jorge Barnett · Answer 1

The value for c is A. 49. That comes from the process of completing the square where you take half the linear term, square it, and add it in. Our linear term is 14. Half of 14 is 7, and 7 squared is 49. So A

What value of c makes the polynomial below a perfect square?x^2 + 14x + cc =A. 49B. 28C. 7D. 196

What value of c makes the polynomial below a perfect square?

x^2 + 14x + c

c =

A. 49

B. 28

C. 7

D. 196