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Mathematics 23 Online
OpenStudy (anonymous):

thanks

Directrix (directrix):

The x intercept is where the graph cuts the x axis. To get on the x axis, your y value has to be 0. f(x)=(x+1)^2-16 0 = (x+1)^2-16 Solve for x. @cutegirl

OpenStudy (anonymous):

x=-5 x=3

Directrix (directrix):

Yes, but look at the options. Is the x-intercept at -5 listed as an ordered pair with 0 as its y coordinate? Same question for 3.

OpenStudy (anonymous):

(3,0) is the best choice

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