Question

Give an example of a quadratic function that has only real zeros and an example of one that has only nonreal complex zeros

How do their graphs compare? Explain how to determine from a graph whether a quadratic function has real zeros.

Answer 1

The graph of a quadratic function is a parabola. A parabola can cross the x-axis once, twice, or never. These points of intersection are called x-intercepts or zeros.

Explanation: