Solve the following quadratic equation using the quadratic formula and then choose the correct solution set.
6x^2 - 7x + 2 = 0

{1/2, 3/2} ?

Question

Solve the following quadratic equation using the quadratic formula and then choose the correct solution set. 
6x^2 - 7x + 2 = 0

{1/2, 3/2} ?

kainui · Answer

Don't waste your time solving it, just plug in 1/2 and 3/2 for x and if they both equal 0, then you know you're right.

anonymous · Answer

alrite.

anonymous · Answer

6(1/2)^2 - 7(3/2) + 2 = 0
doesnt work. :/

kainui · Answer

$$x=(-b/2a) \pm \sqrt{b^2-(4ac)}$$

kainui · Answer

Hmm maybe you added something wrong? I'll work it out in a second to check.

kainui · Answer

So when you have -b did you plug in -(-7)?

anonymous · Answer

i dont think so:P

kainui · Answer

I got 19/12 and -5/12, but I'm not sure if that's right or not. The biggest problem with quadratic formula is just making those little mistakes, you know?

anonymous · Answer

okay:)