Question: Bob is thinking deeply about the following equation:y= ax^2 + cHe comes to the conclusion that if 'a and 'c' have the same sign that

Bob is thinking deeply about the following equation:y= ax^2 + cHe

Bob is thinking deeply about the following equation:y= ax^2 + cHe comes to the conclusion that if 'a and 'c' have the same sign that there will be no x-intercepts. His is conclusion correct? If yes, justify his reasoning. If no,provide a counterexample.

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