Use a Graphing Calculator to Solve the Linear Equation $y _ { 1 }$

Multiple Choice

Use a graphing calculator to solve the linear equation.
-The graph of $y _ { 1 }$ is shown in the standard viewing window. Which is the only choice that could possibly be the solution of the equation $\mathrm { y } _ { 1 } = 0$ ?


$$- 90 , - \frac { 91 } { 10 } , \frac { 91 } { 10 } , 85$$

A) $\frac { 91 } { 10 }$
B) 85
C) $- 90$
D) $- \frac { 91 } { 10 }$