Solve the equation. $81 s ^ { 2 } + 18 s + 1 = 0$
A) $s = - \frac { 1 } { 9 }$
B) $s = - \frac { 1 } { 8 }$
C) $s = - \frac { 2 } { 7 }$
D) $s = - \frac { 1 } { 10 }$
E) The equation has no real roots.

Question

Quizplus · Accepted Answer

This equation is a perfect square trinomial, factoring to $(9s + 1)^2 = 0$, which gives $s = -\frac{1}{9}$.

Solve the Equation 81s2+18s+1=081 s ^ { 2 } + 18 s + 1 = 081s2+18s+1=0

Solve the Equation $81 s ^ { 2 } + 18 s + 1 = 0$