Question

Which of the following is a solution of 3x2 = 7x - 3?

A. https://lss.brainhoney.com/Resource/22181721,AB4,0,B,0,0/Assets/71814_53b5a586/03_07_07a_1.gif
B. https://lss.brainhoney.com/Resource/22181721,AB4,0,B,0,0/Assets/71814_53b5a586/03_07_07b_1.gif
C. https://lss.brainhoney.com/Resource/22181721,AB4,0,B,0,0/Assets/71814_53b5a586/03_07_07c_1.gif
D. https://lss.brainhoney.com/Resource/22181721,AB4,0,B,0,0/Assets/71814_53b5a586/03_07_07d_1.gif

Answer 1

@dtan5457 Can you help with this one?

Answer 2

this isn't timed is it

Answer 3

@dtan5457 Well it was but it's too late anyway. I just want to know how to do it :)

Answer 4

Next time don't do these 3 minutes before it's due LOL

Answer 5

@dtan5457 Tell me about it lol

Answer 6

3x2 = 7x - 3

isolate the variables to being a quadratic

so you'd get

3x^2-7x+3=0

Answer 7

Then it's just more of the quadratic formula, wanna give it a shot yourself?

Answer 8

@dtan5457 Ok I got B as my answer is that correct?

Answer 9

It's pretty close but you made an error

Answer 10

Right on b^2-4ac

Answer 11

Try again

Answer 12

ok...so it would be C right?

Answer 13

No :/

\[\sqrt{7^2-4(3\times3)}\]

Answer 14

Parenthesis first

Answer 15

Ohhh ok so it's D?

Answer 16

bingo :D

Answer 17

Thank you so much! :)