Use a graphing calculator to solve the equation. Round your answer to two decimal places.
-$e ^ { x } = - x$
A) {-0.57}
B) {1.05}
C) {0.57}
D) {-1.05}

Question

Quizplus · Accepted Answer

The equation $e^x = -x$ cannot be solved algebraically using elementary methods, so we use a graphing calculator to find the intersection of $y = e^x$ and $y = -x$. The solution is approximately $x = -0.57$, which corresponds to choice A.

Use a Graphing Calculator to Solve the Equation ex=−xe ^ { x } = - xex=−x

Use a Graphing Calculator to Solve the Equation $e ^ { x } = - x$