Question

In the function y=-3x^2+1, What effect does the negative sign have on the graph, as compared to the graph of y=x^2?

A. It shrinks the graph vertically by a factor of 3.
B. It stretches the graph horizontally by a factor of 3.
C. It reflects the graph across the x-axis.
D. It shrinks the graph horizontally by a factor of 3.

Please help and explain. Thank you!

Answer 1

I think it's C. not sure?

Answer 2

Thank you so is it C. It reflects the graph across the x-axis.?

Answer 3

no wait