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.

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.  

Step-by-step explanation:

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

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