Create your own unique quadratic equation in the form y = ax^2 + bx + c. Use complete sentences and show all work to determine the following:

Does the graph open up or down? How do you know?
Explain whether the graph has a maximum or minimum point.
Find the vertex and x-intercepts of the graph.

Question

Create your own unique quadratic equation in the form y = ax^2 + bx + c. Use complete sentences and show all work to determine the following:

Does the graph open up or down? How do you know? 
Explain whether the graph has a maximum or minimum point. 
Find the vertex and x-intercepts of the graph.

anonymous · Answer

y = -2x^2 + 8x + 16.
would this one open downward, because it's negative. Has a maximum point, and I don't know the vertex.

anonymous · Answer

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