Amplitude — Algebra II, what it means and where it is taught
Half the distance from the top to the bottom — how tall the wave is.
Taught in Algebra II.
Where it is taught
Practise this idea
5 questions in the course bank use Amplitude, in Graphs of Sine & Cosine.
Problem 1
Give the amplitude of y=5sin x.
Worked answer
5
Amplitude =|5|=5
Problem 2
Give the amplitude of y=-3cos x.
Worked answer
3
|-3|=3
Problem 3
A wave peaks at 17 and bottoms at 3. Find its amplitude.
Worked answer
7
17-32=7
Problem 4
Find the maximum of y=4sin x+6.
Worked answer
10
6+4=10
Problem 5
Find the minimum of y=4sin x+6.
Worked answer
2
6-4=2