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Mathematics 9 Online
OpenStudy (anonymous):

Find the amplitude and the equation of the midline of the periodic function. A. 2; y = 2 C. 2; y = 3 D. 3; y = 2

OpenStudy (anonymous):

OpenStudy (anonymous):

I think it is A

OpenStudy (anonymous):

That would be incorrect.

OpenStudy (anonymous):

What is Ymax - Ymin?

OpenStudy (anonymous):

5 max and -1 min

OpenStudy (anonymous):

Yes, now subtract them and cut that in half.

OpenStudy (anonymous):

4 and 2

OpenStudy (anonymous):

Eh? Don't know what you're doing. 5 - (-1) = 5 + 1 = 6

OpenStudy (anonymous):

I just did 5 - 1 = 4

OpenStudy (anonymous):

No, no. Its 5 - (-1). Five minus NEGATIVE one.

OpenStudy (anonymous):

so y = 3

OpenStudy (anonymous):

No, your amplitude is 3.

OpenStudy (anonymous):

okay so then y = 2

OpenStudy (anonymous):

The midline is either at Ymax - amplitude or Ymin + amplitude.

OpenStudy (anonymous):

Correct, the amplitude is 3. The midline is at y = 2.

OpenStudy (anonymous):

Thank you I think I was just forgetting my signs

OpenStudy (anonymous):

No prob.

OpenStudy (anonymous):

I have a few more can you help I will post a new one so I can give you more medals

OpenStudy (anonymous):

Just close this one and open a new question.

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