It is a cap-size parabola. The parabola "goes down". The graph of this function looks like in this attached picture.
What midpoints are you wanting to measure?
It's the graphs that don't touch the x-axis have complex roots. Roots are the points where the parabola touches the x-axis. A,C and E all cross/touch the x-axis so they have real roots.
non-real or complex root parabolas are: B, D, F
Answer:
I done did it.
Step-by-step explanation: