if xsquared +8x+c is a perfect square trinomial, what is the value of c?

Question

kazbaby · Accepted Answer

c = 16

x^2 + 8x + 16

(x+4) ^2

jennie · Answer

c is 16

(x+a)^2 = x^2 + 2ax + b^2


x^2 + 8x + c is perfect square trinomial  

so we can write, x^2 + 2* 1* 4x + 4^2


so c = 16

Anonymous · Answer

SO x squared+8x+c=perfect quare trinomial
Xsquare+8x=perfect square trinomial - c
8xsquared=perfect square trinomial - c (whatever this is suppose to be)

8Xsquared divided by perfect square trinomial - c (whatever this is suppose to be)

SO after you should be getting 16

Good Luck

Davis P · Answer

(x + a)^2 = x^2 + 2a x + a^2

x^2+8x+c
8 = 2a : a = 4 so c = a^2 = 16

Anonymous · Answer

16

half of B squared...

if xsquared +8x+c is a perfect square trinomial, what is the value of c?

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