### Home > INT2 > Chapter 4 > Lesson 4.1.2 > Problem4-20

4-20.

Complete the table below for the function $y=x^2$. Homework Help ✎

 $x$ $-4$ $-3$ $-2$ $-1$ $-\frac{1}{2}$ $0$ $\frac { 1 } { 2 }$ $1$ $2$ $3$ $4$ $y$
1. Sketch a graph of the function.

Use the values in the table as ordered pairs $(x,y)$ and plot them on a graph.

2. This graph is an example of a parabola. The vertex is the maximum or minimum point of a parabola. Where is the vertex of the parabola you graphed in part (a)?

$(0,0)$