Solve the equation below by factoring. $9 z ^ { 2 } - 48 z + 70 = 6$
A) $- 24,0$
B) $- \frac { 8 } { 3 }$
C) $\frac { 8 } { 3 }$
D) $24,0$
E) $\pm \frac { 8 } { 3 }$

Name: Solve the equation below by factoring. $9 z ^ { 2 } - 48 z + 70 = 6$ A) $- 24,0$ B) $- \frac { 8 } { 3 }$ C) $\frac { 8 } { 3 }$ D) $24,0$ E) $\pm \frac { 8 } { 3 }$
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Quizplus · Accepted Answer

First, subtract 6 from both sides to get $9z^2 - 48z + 64 = 0$. Then, factor the quadratic to $(3z - 8)^2 = 0$, giving the solution $z = \frac{8}{3}$.

Solve the Equation Below by Factoring 9z2−48z+70=69 z ^ { 2 } - 48 z + 70 = 69z2−48z+70=6

Solve the Equation Below by Factoring $9 z ^ { 2 } - 48 z + 70 = 6$