Problem 155 of 7
Choose a graph window for y = -3x^2 + 12x - 9 to show vertex and y-intercept.
Hints
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Hidden until you reveal it.
show intercepts, vertex, and relevant domain.
Hidden until you reveal it.
Window must include requested features.
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Correct
Your answer is equivalent to the expected form.
Solution
Walkthrough
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1. Identify coordinates of requested features.
2. Set x- and y-ranges that include them with margin.
3. Avoid ranges dominated by irrelevant values.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Windows that hide a requested intercept or vertex.