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Mathematics 21 Online
OpenStudy (anonymous):

What is the directrix of the following graph? Type the equation. Do not type any spaces. Graph Below!! Medal Award Too!!!

OpenStudy (anonymous):

OpenStudy (campbell_st):

well it looks like the red dotted line is the directrix, what y value does it go through? that will be the equation of the directrix

OpenStudy (anonymous):

so it would be just 3?

OpenStudy (anonymous):

@campbell_st

OpenStudy (campbell_st):

well the equation is y = 3

OpenStudy (anonymous):

could you help me with one more?

OpenStudy (campbell_st):

if you just post it in the normal way I'll look at it

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