Using a Table to Graph a Quadratic Equation
The general quadratic function is y = ax2+bx+c.
A graph of a quadratic equation may be plotted with the help of a table. Calculate for a few different values of x for y, and use the results to draw the graph.
Make a table and graph y=x
2-2
x |
-3 |
-2 |
-1 |
0 |
1 |
2 |
3 |
y |
7 |
2 |
-1 |
-2 |
-1 |
2 |
7 |
Graph the ordered-pair solutions on a rectangular coordinate system. Draw a parabola through the points.
Make a table and graph y=(x-3)
2+1
x |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
y |
10 |
5 |
2 |
1 |
2 |
5 |
10 |
Graph the ordered-pair solutions on a rectangular coordinate system. Draw a parabola through the points.
