Concept explainers
Writing Explain how you can determine if the parabola opens up or down by simply examining the equation.
If the parabola opens up or down by simply examining the equation.
Answer to Problem 27P
The parabola opens up or down by simply examining the sign of the co-efficient of
Explanation of Solution
Given information:
The parabola is of the form
The general form of the parabola is given by
Hence, we have to check the sign of the co-efficient of
Therefore, the parabola opens up or down by simply examining the sign of the co-efficient of
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