Solve. Round results to the nearest thousandth.
-$$5 \mathrm { x } ^ { 2 } = 10 + 14 \mathrm { x }$$
A) $1.600,1.200$
B) $0.590 , - 3.390$
C) $- 1.200 , - 1.600$
D) $3.390 , - 0.590$

Question

Quizplus · Accepted Answer

Rearrange the equation to $5x^2 - 14x - 10 = 0$. Use the quadratic formula $x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$ with $a = 5$, $b = -14$, and $c = -10$. The solutions are approximately $3.390$ and $-0.590$.

Solve Round Results to the Nearest Thousandth 5x2=10+14x5 \mathrm { x } ^ { 2 } = 10 + 14 \mathrm { x }5x2=10+14x

Solve Round Results to the Nearest Thousandth $5 \mathrm { x } ^ { 2 } = 10 + 14 \mathrm { x }$