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Mathematics 11 Online
OpenStudy (anonymous):

4. How is the graph of y = –2x^2 – 4 different from the graph of y = –2x^2? (1 point) It is shifted 4 units left. It is shifted 4 units up. It is shifted 4 units right. It is shifted 4 units down.

OpenStudy (experimentx):

it is shifted down by 4 units

Directrix (directrix):

If you evaluate each function at x = 0, you can "see" the 4 unit drop drop from (0,0) to (0,-4).

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