Question

A quadratic equation is shown below:

x2 + 18x + 76 = 0

Which of the following is the first correct step to write the above equation in the form (x - p)2 = q, where p and q are integers?

Add 9 to both sides of the equation

Add 5 to both sides of the equation

Subtract 5 from both sides of the equation

Subtract 9 from both sides of the equation

Answer 1

Anyone please

Answer 2

@jim_thompson5910 @jdoe0001

Answer 3

@StudyGurl14 @superhelp101

Answer 4

@cookiemonster2412

Answer 5

@jdoe0001

Answer 6

@jdoe0001 please help

Answer 7

\(\bf x^2 + 18x + 76 = 0\implies (x^2 + 18x) + 76 = 0
\\ \quad \\
(x^2 + 18x+{\color{red}{ \square ?}}^2) + 76 = 0\) so... any ideas?

Answer 8

recall http://openstudy.com/study#/updates/5450237de4b0c26d0cb2a454
the middle term value

Answer 9

Dont know, if you figure out the answer I can tell you how to do it

Answer 10

Because I am totally confused

Answer 11

well... you may want to review your perfect square trinomial section then

Answer 12

Ok, but could you show me the answer?

Answer 13

I promise I will review it

Answer 14

well... that nullifies the idea behind the exercise

Answer 15

Ok I will answer your questions

Answer 16

I reviewed it too

Answer 17

@jdoe0001 you there?

Answer 18

Oh i think it is 9

Answer 19

@jdoe0001

Answer 20

Bro

Answer 21

@jdoe0001 ? You there?

Answer 22

@jdoe0001 please help me

Answer 23

@jdoe0001

Answer 24

@PinkCam88 @purplepiggy171 @radar@robtobey @jdoe0001 @Walkerman15 @blahhedup101

Answer 25

please someone help

Answer 26

Anyone who helps will get a medal

Answer 27

IDK.

Answer 28

Well, I never learned this formula. So, sorry I can't help.

Answer 29

@HelpBlahBlahBlah
@doulikepiecauseidont
@cody7744
@Walkerman15

Answer 30

@Bobtoktok
Sorry I couldn't help, but I hope those people can! ;)

Answer 31

I'm sorry I don't know