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Mathematics 8 Online
OpenStudy (anonymous):

in the function y=4x^2-5,what effect does the number -5 have on the graph, as compared to the graph of the function y=x^2 ?

Directrix (directrix):

Look at the two graphs (attached) (from Desmos.com)

Directrix (directrix):

What did the -5 do to the red graph to get the blue graph? @salvadortam

OpenStudy (anonymous):

bring it down 5 units

Directrix (directrix):

I agree.

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