Question

Solve –2x2 +3x – 9 = 0

Answer 1

do you know the quadratic formula?

Answer 2

yah, and i think i have the answer just not sure.... heres my answer: ill draw it!;)

Answer 3

is thaat right?

Answer 4

@Ashley1997 it is a negative x^2. So you have to use the quadratic formula

Answer 5

a = -2, b = 3 and c = -9\[x = \frac{-3\pm \sqrt{3^2 - 4 \times(-2)\times(-9)}}{2\times(-2)}\]

gives

\[x = \frac{3 \pm \sqrt{-63}}{4}=\frac{3\pm 3i \sqrt{7}}{4}\]

Answer 6

your answer is correct cassie