Question

Solve: 9x^2 - 16x + 60 = 0
On my homework it says solve the equation by determining the discriminant. And then show your work. If you can tell me how to do it and I can find the answer, that would be awesome.

Answer 1

9x^2-16+60=0

Answer 2

(-16+60)=44

Answer 3

9x^2+44=0

Answer 4

-44 from both sides

Answer 5

9x^2=-44

Answer 6

divide both sides by 9

Answer 7

Dang You wrote fast.

Answer 8

x^2=-44/9

Answer 9

sqr both sides

Answer 10

x=sqr(-44/9)

Answer 11

x= I(sqr(44/9))

Answer 12

does that sound about right?

Answer 13

I believe so

Answer 14

What is with the 44?

Answer 15

-16+60=44

Answer 16

**** oh no its a -16x

Answer 17

lol so freaking stupid xD

Answer 18

oh then that changes everything

Answer 19

9x^2-16x+60=0

Answer 20

Yeah so sorry

Answer 21

I cant find a rational solution sorry but try this
http://www.wolframalpha.com/input/?i=9x%5E2-16x%2B60%3D0

Answer 22

Lol im on the same thing right now looking at it thanks tho! :)

Answer 23

sorry :)