Graph the quadratic functions y = -2x^2 and y = -2x^2 + 4 on a separate piece of paper. Using those graphs, compare and contrast the shape and position of the graphs.

Question

Graph the quadratic functions y = -2x^2 and y = -2x^2 + 4 on a separate piece of paper. Using those graphs, compare and contrast the shape and position of the graphs.
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oobleck · Accepted Answer

If you look at the functions, you can see that the 2nd is exactly the same as the first, but 4 units higher (that +4 at the end) Now, assuming you can graph a parabola, the rest is easy.