Exam Maths Puzzle Number System

Is it possible for a quadratic function to have one real zero and one imaginary zero? Why? Coul you give me an example?

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Exam Other Question

The graph of a quadratic function can have 0, 1, or 2 x-intercepts. How can you predict the number of such intercepts without drawing the graph or completely solving the equation? We have a rectangle where 2x + 2y = 45, and x = 2/3y, solve for x (or Y). How do you solve this?