Back to Explain intersection as solution — Problem 2 · Task Set 52

Exercises: Graph Intersections as Solutions

For graphical problems, identify the x-coordinate of each intersection as the solution. Always verify by substituting back into both sides of the original equation. Use graphing technology (Desmos or graphing calculator) where indicated.

Grade 9·18 problems·~40 min·Common Core Math - HS Algebra·standard·hsa-rei-d-11
Work through problems with immediate feedback
A

Fluency Practice

1.

Set up the graphical approach to solve x23x=2x^2 - 3x = -2.

(a) Identify f(x)f(x) and g(x)g(x).
(b) Describe what you would graph and what you would look for.
(c) Verify that x=1x = 1 and x=2x = 2 are the solutions using substitution.