Question

How do you sketch the graph of `y=2x^2-3` and describe the transformation?

Answer 1

See explanation.

Explanation:

This graph may be obtained by moving the graph `y=2x^2` `3` units down (i.e. by the vector `vec(v)=[0;-3]`)

graph{(y-2x^2)(y-2x^2+3)=0 [-10, 10, -5, 5]}