Question

How do you identify the important parts of `y= -7x^2 +2x` to graph it?

Answer 1

The given equation represents a parabola.

Explanation:

On simplifying the equation,we get -(y-1/7) = (`sqrt7`x -1/`sqrt7` )^2

This equation represents a parabola with vertex (1/7,1/7)

graph{-7x^2+2x [-0.377, 0.8064, -0.33, 0.2623]}