Chapter 9 - Quadratic Functions and Equations - Chapter Review - Page 604: 5

See the graph

We are given: $y=\frac{2}{3}x^2$ Let's list some values: $x=-2 \rightarrow y=\frac{8}{3}$ $x=-1 \rightarrow y=\frac{2}{3}$ $x=0 \rightarrow y=0$ $x=1 \rightarrow y=\frac{2}{3}$ $x=2 \rightarrow y=\frac{8}{3}$ Graph the function. The vertex is (0, 0).