CPM Homework Banner

Home > CCA > Chapter 8 > Lesson 8.2.5 > Problem 8-109

8-109.

Sketch the parabola y = 2x2 + 6x + 4 by using its intercepts. Homework Help ✎

Factor this quadratic expression.

Find the x and y-intercepts.
To find the x-intercepts, substitute 0 for y, and solve for x.
To find the y-intercepts, substitute 0 for x, and solve for y.

To find the vertex, find the point exactly in between the x-intercepts and solve for the corresponding y-value.