Question

Use the quadratic formula to solve the quadratic equation x2 − 8x − 4 = 0.

Answer 1

just did this one dang.

Answer 2

thankssss

Answer 3

\[x= \frac {b^2-\sqrt{b^2-4ac}}{2a}\]

for an equation ax^2 + bx +c

Answer 4

ooops! @estudier look carefully

Answer 5

@jacyy should be
\[x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\]

Answer 6

\[x= \frac {b^2 \pm \sqrt{b^2-4ac}}{2a}\]

Answer 7

Sorry, I do this so often I should just keep a coipy of the tex, lol.

Answer 8

still not right though.

Answer 9

see the problem?

Answer 10

x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

Answer 11

lol

Answer 12

\[x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\]

Answer 13

there it is!

Answer 14

I'll make a copy....:-)

Answer 15

yeah i was thinking of that too. along with a template of that stupid coffee bean problem

Answer 16

that i have done maybe 5 times at least.

Answer 17

lol!