CPM Homework Help : CCA Problem 11-80

Find all of the points at which the parabolas below intersect. Write your solution(s) in ( $x,y$ ) form. 11-80 HW eTool (Desmos).

$y=x^2−x+12$
$y=2x^2+3x+7$

Hint:

Use the Equal Values method found in lesson 4.1.2.

Answer:

$(1,12)$ and $(−5,42)$

Use the eTool below to help explore the parabolas below.
Click on the link at right for the full eTool version: CCA 11-80 HW eTool