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Mathematics 7 Online
OpenStudy (anonymous):

http://prntscr.com/8xcwin Answers: http://prntscr.com/8xcwmp http://prntscr.com/8xcwny http://prntscr.com/8xcwro

Directrix (directrix):

On the second question, count again. You are asked to get the coordinates of the vertex, the lowest point of the parabola on this graph. Count again to see what it is.

OpenStudy (anonymous):

im stuck between b and c

Directrix (directrix):

Start at the origin, (0,0) when you count.

Directrix (directrix):

I think you are looking at the x-intercepts. We are doing the vertex.

OpenStudy (anonymous):

this is confusing but im guessing C

Directrix (directrix):

Is that (-4, -4). These squares are small.

OpenStudy (anonymous):

yes it is

Directrix (directrix):

We are in agreement, then.

OpenStudy (anonymous):

so the final answer to the second one would be (-4,-4)?

Directrix (directrix):

Yes, that is what I counted.

OpenStudy (anonymous):

ok :)

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