Solve by using the quadratic formula.
$$0.8 x ^ { 2 } - 1.2 = - 0.7 x$$
A) $\left\{ \frac { 7 \pm \sqrt { 433 } } { 32 } \right\}$

B) $\left\{ \frac { 7 \pm \sqrt { 433 } } { 16 } \right\}$

C) $\left\{ \frac { - 7 \pm \sqrt { 433 } } { 16 } \right\}$

D) $\left\{ \frac { - 7 \pm \sqrt { 433 } } { 32 } \right\}$

Question

Solve by using the quadratic formula.
$$0.8 x ^ { 2 } - 1.2 = - 0.7 x$$
A) $\left\{ \frac { 7 \pm \sqrt { 433 } } { 32 } \right\}$

B) $\left\{ \frac { 7 \pm \sqrt { 433 } } { 16 } \right\}$

C) $\left\{ \frac { - 7 \pm \sqrt { 433 } } { 16 } \right\}$

D) $\left\{ \frac { - 7 \pm \sqrt { 433 } } { 32 } \right\}$

Quizplus · Accepted Answer

The Answer of Solve by using the quadratic formula.
$$0.8 x ^ { 2 } - 1.2 = - 0.7 x$$
A) $\left\{ \frac { 7 \pm \sqrt { 433 } } { 32 } \right\}$

B) $\left\{ \frac { 7 \pm \sqrt { 433 } } { 16 } \right\}$

C) $\left\{ \frac { - 7 \pm \sqrt { 433 } } { 16 } \right\}$

D) $\left\{ \frac { - 7 \pm \sqrt { 433 } } { 32 } \right\}$

Solve by Using the Quadratic Formula 0.8x2−1.2=−0.7x0.8 x ^ { 2 } - 1.2 = - 0.7 x0.8x2−1.2=−0.7x