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Mathematics 21 Online
OpenStudy (manny_9):

Check my answer? http://prntscr.com/csxps6

OpenStudy (manny_9):

@Directrix

Directrix (directrix):

At x = 1, the corresponding y-value is beneath the x-axis so the value has to be negative. Try again.

Directrix (directrix):

Your marked answer is wrong. Look again at the graph.

OpenStudy (manny_9):

-0.5?

Directrix (directrix):

Correct.

OpenStudy (manny_9):

Ty

Directrix (directrix):

You're welcome.

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