Question

can your please help

Answer 1

what number must your add to complete the square
x^2+4x=13

a;4
b;8
c;2
d; 16

Answer 2

Take the coefficient of x, divide it by 2, then square it.

Answer 3

ok

Answer 4

This method only works when the coefficient of x^2 is 1, which it is in this case.

Answer 5

so the awnser is 2

Answer 6

?

Answer 7

What is the coefficient of the x term?

Answer 8

oh its 4

Answer 9

yes
coeff of x term is 4
4/2 = 2
2^2 = 4

Answer 10

ohhh ok now it makes sence

Answer 11

great