Use the quadratic formula to
-$$\mathrm { z } ^ { 2 } + 10 \mathrm { z } + 3 = 0$$
A) $- 5 \pm \sqrt { 22 }$
B) $5 \pm \sqrt { 3 }$
C) $- 10 + \sqrt { 3 }$
D) $5 + \sqrt { 22 }$

Question

Quizplus · Accepted Answer

The quadratic formula is $\frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$, where $a = 1$, $b = 10$, and $c = 3$. Plugging these values in gives $\frac{-10 \pm \sqrt{100 - 12}}{2}$, which simplifies to $-5 \pm \sqrt{22}$.

Use the Quadratic Formula to - z2+10z+3=0\mathrm { z } ^ { 2 } + 10 \mathrm { z } + 3 = 0z2+10z+3=0

Use the Quadratic Formula to
- $\mathrm { z } ^ { 2 } + 10 \mathrm { z } + 3 = 0$