Use the quadratic formula and a calculator to approximate the solution to the nearest tenth.
-$$- 2 x ^ { 2 } + 6 x + 3 = 0$$
A) $\{ - 3.4,0.4 \}$
B) $\{ - 0.9,6.9 \}$
C) $\{ - 0.4,3.4 \}$
D) $\{ - 13.5,16.5 \}$

Question

Quizplus · Accepted Answer

Using the quadratic formula $x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$ with $a = -2$, $b = 6$, and $c = 3$, the solutions are approximately $-0.4$ and $3.4$.

Use the Quadratic Formula and a Calculator to Approximate the Solution