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Mathematics 14 Online
OpenStudy (diana.xl):

check my answers? http://prntscr.com/8z8kzi http://prntscr.com/8z8l7k

Directrix (directrix):

Attached is a graph of your option. See if you think it looks the same as the given graph.

Directrix (directrix):

It is the only graph with point (0, -1). The other options will give give -1 for x = 0. Yes, your choice is correct.

OpenStudy (diana.xl):

thnx

Directrix (directrix):

The third option on part 2 is correct. x = 1 Would you like to see the algebra behind that answer?

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