Solve using the quadratic formula. Approximate answers to the nearest tenth.
3x^2+2x-5=0

Question

Solve using the quadratic formula. Approximate answers to the nearest tenth.
3x^2+2x-5=0

anonymous · Answer

given the form

$$ax^2+bx+c=0$$

the quadratic formula is 

$$x= \frac{ -b\pm \sqrt{b^2-4ac}}{2a}$$

i suggest you memorize this formula

anonymous · Answer

I do have it memorized

anonymous · Answer

then what is your issue?

anonymous · Answer

But just because I have it memorized doesn't mean I got the question right. So im trying to see what I did wrong. That's my issue.

anonymous · Answer

well
a= ?
b= ?
c= ?

anonymous · Answer

Are you here to help me && show me? Or just make me feel stupid?

anonymous · Answer

no, im trying to see if you made a mistake when calculating

anonymous · Answer

or when determining a, b, and c

jim766 · Answer

$$\frac{ -2\pm \sqrt{(2^2)- 4(3)(-5)} }{ 6 }$$

is this how you set it up?

anonymous · Answer

yeah