# How do you solve #10 + x - 2x^2<0#?

##### 1 Answer

Apr 29, 2015

We first rewrite this in standard form:

Since the coefficient of the square is negative, we call this a "mountain"-parabola.

Since it's a "mountain", our answers lie outside these points, so:

graph{10+x-2x^2 [-22.8, 22.83, -11.4, 11.4]}