Plot the given parabola on the axes. Plot the roots, the vertex and two other points. y = x2 + 16x + 39
Set the scales and drag the axes to change the graph.
xscl:
1
yscl: 1
Done with scale
y
10
9
8
5
4
3
2
-10
-9
-8
-7
-
-5
-4
-3
-1
3
4
$
6
7
8
9
10
-1
-2
-3
-4
-6
-8
-9