Question

Solve x2 + 6x + 7 = 0.

Answer 1

x = 2

Answer 2

I don't know, I'm probably wrong.

Answer 3

x^2 - 6x - 7 = 0
(x-7)(x+1)
So x = 7; x = -1

Check your work:
7^2 - (6)(7) - 7 = 0
49 - 42 - 7 = 0
0 =0
(-1)^2 - (6)(-1) - 7
1 + 6 - 7 = 0
0 = 0

So, they check.

Answer 4

@biggdaddymiller That answer is wrong

Answer 5

x = -2

Answer 6

lol

Answer 7

@biggdaddymiller I still think that is wrong :( I'm pretty sure I solved it correctly

Answer 8

yea iz 0=0 me chacked :)

Answer 9

@KILL4PHUN So I'm right

Answer 10

yupp.

Answer 11

@mdf913 My answer is correct :) Happy to help

Answer 12

A) x=-1 x= -5
B) 3 (plus/minus) square root of 2
C) -3 (plus/minus) square root of 2
D) -3 + Square root of 2 divided by 2

Answer 13

These are my answer choices @lauren24680

Answer 14

\[\times\]

Answer 15

Okay, I'm pretty sure the answer is A

Answer 16

Thank you so much!! :)

Answer 17

You're welcome! :)

Answer 18

I have more if you want to help more. If you don't mind. ._.

Answer 19

Alright, I'll try it :)

Answer 20

Which of the following is a solution of x2 + 5x = -2?

Answer 21

\[5\pm (\square \root) of 33 divided by 2\]

Answer 22

B) 5 (plus/minus) square root of 17 divided by 2
C) -5 (plus/minus) square root of 33 divided by 2
D) -5 (plus/minus) the square root of 17 divided by 2

Answer 23

Hmmm

Answer 24

Just give me a few minutes, then I'll answer

Answer 25

Okay @mdf913, I'm pretty sure the answer is C