Question

Use the quadratic formula. Round your answers to three decimal places.

0=x2−73x+13

Answer 1

Do you know the quadratic formula?

Answer 2

yes:) i tried to solve it but its telling me im wrong:(

Answer 3

well, why don't you show me what you did, and maybe we can figure out why it thinks your answer is incorrect...

Answer 4

ok. let me me write it out
x2-73x+13=0
a=1 b=73 c=13

Answer 5

right?

Answer 6

Close, but not quite. Hint: the negative sign is the work of the devil, I say :-)

Answer 7

lol.ok so -x2+73x-13
a=-1 b=73 c=-13

Answer 8

I suppose you could do that, but why not just keep the equation as you had it, and use the proper value for b?

Answer 9

ok so
a=1 b=-73 c=13")

Answer 10

That's what I would do...

Answer 11

and