Question

What are the approximate solutions of 2x^2 + 9x = 8 to the nearest hundredth?

Answer 1

x_1,2=(-9 +/- sqrt(81+64)/4

Answer 2

- can you continue it ?

Answer 3

i'm stuck there

Answer 4

Ok I got the answer thanks for everyone's help!

Answer 5

yw

good luck

bye

Answer 6

is it the quadratic equation? ... it seems to me like it is
2 *x^2+9x-8=0

.. ?

Answer 7

\[\LARGE x_{1/2}=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\] ... ..