The graph of a quadratic equation is a U-shaped curved called parabola. It is because the parabola makes very easy to find the axis of symmetry to plot selected points and finding the roots and vertex.
Good luck :)
I believe it's 12=0
Hope I helped! ( Smiles )
It could be:
2/4
4/8
8/16
3/6
5/10
6/12
The answer is 4
how to show the work on here or how to send a picture of my notes :)