Question

What number must be added to the polynomial to complete the square? If necessary, use the slash mark (/)as a fraction bar and leave your answer in the form of an improper fraction.
x^2-9x

Answer 1

Okay

Answer 2

ok for this one it would be -9=3^2=9?

Answer 3

Well, you would take HALF of nine. 3 + 3 isn't nine.

Answer 4

Instead, you would do (9/2)^2

Answer 5

6^2=36

Answer 6

\[(\frac{ 9 }{ 2 })^{2}\]

Answer 7

final answer 9/2

Answer 8

So 81/4, as a fraction.

Answer 9

81/4 huh answer

Answer 10

Yes, x^2 - 9x + 81/4