Question

Solve x² + 7x + 2 = 0 answers in order from least to greatest, separated by comma Round to the nearest tenth.

Answer 1

You have to find it's roots, right?

Answer 2

i believe so

Answer 3

can you help?

Answer 4

Use the quadratic formula.

Answer 5

??

Answer 6

http://2.bp.blogspot.com/_9xX2yNGJA4E/TPm214sFVjI/AAAAAAAAADI/nVLP-mPhYCM/s1600/QuadraticFormula.JPG

Answer 7

ok i knew that but i dont know how to use it that well that is why i am asking the question

Answer 8

See this:
http://www.khanacademy.org/math/algebra/ck12-algebra-1/v/using-the-quadratic-formula

Answer 9

it wont let me on my computer has locks on it

Answer 10

Oh man. Okay let me draw.

Answer 11

ok thank you

Answer 12

Do you understand till here?

Answer 13

yes

Answer 14

Okay, let me draw.

Answer 15

ok

Answer 16

after that i am really comfused that is the part that gets me......

Answer 17

Now these will be your 2 roots.

Answer 18

wait so how do i find the roots though? because it has to be simplified and rounded to the nearest tenth

Answer 19

Now insert both values in calc one by one.

Answer 20

i dont have the square root sign thing on my calc

Answer 21

Which calc do you have?

Answer 22

a crappy one that is for like elementary schoolers.

Answer 23

Here.

Answer 24

thank you i appreciate it a lot!