Question

In the function f(x) = 5(x2 − 4x + ____) + 15, what number belongs in the blank to complete the square?

Numerical Answers Expected!

Answer 1

\[(\frac{ 4 }{ 2 })^2\]

Answer 2

@HelloKitty17
lol just look at this http://openstudy.com/study#/updates/536a3239e4b031e831a94b59

Answer 3

x2−4x+?

(b/2)
(-4/2)^2
= +4
x^2-4x+4
The answer would be 4.

Answer 4

so 4?

Answer 5

4

Answer 6

4/2 is 2, and 2^2 is 4

Answer 7

no same house

Answer 8

showed

Answer 9

You aren't in the same house?

Answer 10

yes but i do it for the medals so yeah

Answer 11

we are

Answer 12

but this way it looks like she is doing it herself

Answer 13

wow