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Mathematics 13 Online
OpenStudy (anonymous):

Help please :) What are the zeroes of f(x) = x^2 - x - 2? x = -2, 1 x = 2, -1 x = -2, -1 x = 2, 1

OpenStudy (anonymous):

x= 2, -1

OpenStudy (anonymous):

thanks! can you help me with one more?

OpenStudy (anonymous):

Sure!

OpenStudy (anonymous):

A polynomial function can be written as (x + 1)(x + 4)(x - 7). What are the x-intercepts of the graph of this function? (1, 0), (4, 0), (7, 0) (-1, 0), (-4, 0), (-7, 0) (1, 0), (4, 0), (-7, 0) (-1, 0), (-4, 0), (7, 0)

OpenStudy (anonymous):

hold on one second, I just got help with a question like this a little bit ago, let me find it.

OpenStudy (anonymous):

ok thats fine

OpenStudy (anonymous):

Okay found it! The answer would be D. (-1, 0), (-4, 0), (7, 0)

OpenStudy (anonymous):

Thank you!!

OpenStudy (anonymous):

Yup! Good luck!

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