Help! 50 points and Brainliest. I need to find the final equations given the data points seen in the picture below.

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Which of the following parabolas opens up?