Okay so I had this question and I am so confuso!!!
Compare and contrast the two quadratic equations below. In order to receive full credit, use complete sentences to describe the following:
The direction each parabola opens
The vertex of each parabola
y = x2 − 2x
y = −2x2 + 4x − 3
I don't want you to help me with the question I need to know if the first equation is right?

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Because I thought a quadratic equation had to have 3 terms not 2

Yes but the first equation only has 2 terms not 3

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