A particle moves along the curve y = x2 + 2x. At what point(s) on the curve are the x and y coordinates of the particle changing at the same rate?

A particle moves along the curve $y = x^{2} + 2 x .$ At what point(s) on the curve are the x and y coordinates of the particle changing at the same rate?

Matching exercise

Match the items on the right to the items on the left.

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