18-04-2019
Mathematics

contestada

What value should be added to make a perfect square? x^2+16x
a. 4
b. 8
c. 16
d. 64

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

18-04-2019

Answer:

d. 64

Step-by-step explanation:

x^2+16x

The coefficient of the x term is 16

Divide by 2

16/2 =8

Then square it

8^2 = 64

We add 64

x^2 +16x +64

(x+8)^2

Answer Link

maybeemmamay maybeemmamay

18-04-2019

Answer:

D. 64

Step-by-step explanation:

What added together equals 16? 8.

You will then times 8*8=64.

64 is your answer.

Answer Link

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