Use the following to answer questions :
y = 20 sin + 320
-Identify the amplitude (A).
A) |A| = -16
B) |A| = 16
C) |A| = -30
D) |A| = 30

Question

Use the following to answer questions :
y = 20 sin  + 320
-Identify the amplitude (A).
A) |A| = -16 
B) |A| = 16 
C) |A| = -30 
D) |A| = 30

Quizplus · Accepted Answer

The amplitude is the maximum distance from the average value, or in this case, the vertical distance from the center line to the peak of the wave. In this equation, the coefficient of the sine term (20) represents the amplitude. Therefore, |A| = 20, which corresponds to choice D.

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