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Sine Graphs

Amplitude of Sine Functions

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| By Thames

T

Thames

Community Contributor

Quizzes Created: 7387 | Total Attempts: 9,527,684

| Questions: 20 | Updated: Nov 25, 2025

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Question 1 / 20

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1) What is the amplitude of y = 3sin(x)?

1

2

3

1/3

Submit

About This Quiz

Amplitude Of Sine Functions - Quiz

How “loud” can a sine wave get? That’s what amplitude is all about! In this quiz, you’ll identify the amplitude in different sine functions, learn how negatives affect the graph, and get comfortable spotting the height of the wave. Try this quiz and see if you can measure the... see moreenergy of every curve.
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2) What first name or nickname would you like us to use?

You may optionally provide this to label your report, leaderboard, or certificate.

2) What is the amplitude of y = (1/2)sin(x)?

2

1/2

1

3/2

Submit

3) Which function has amplitude 7?

Y = 7sin(x)

Y = sin(7x)

Y = sin(x) + 7

Y = (1/7)sin(x)

Submit

4) What is the amplitude of y = −(3/4)sin(x)?

1

3/4

−3/4

4/3

Submit

5) What is the amplitude of y = 10sin(2x)?

20

10

2

1

Submit

6) Which function has amplitude 2?

Y = 2sin(x)

Y = sin(2x)

Y = sin(x) + 2

Y = (1/2)sin(x)

Submit

7) What is the amplitude of y = −12sin(x)?

−12

0

12

8

Submit

8) What is the amplitude of y = (5/6)sin(x)?

0

5/6

6/5

0

Submit

9) Which function has amplitude 1?

Y = sin(x)

Y = 2sin(4x)

Y = (1/4)sin(x)

Y = −3sin(x)

Submit

10) What is the amplitude of y = −8sin(x)?

−8

0

1

8

Submit

11) Which function has amplitude 4?

Y=(1/4)sin(x)

Y=sin(4x)

Y=sin(x) + 4

Y=4sin(x)

Submit

12) What is the amplitude of y = (2/5)sin(x)?

5/2

2/5

1/2

2

Submit

13) What is the amplitude of y = −9sin(x)?

9

1

0

−9

Submit

14) Which function has amplitude 11?

Y=sin(x) − 11

Y=sin(11x)

Y=11sin(x)

Y=(1/11)sin(x)

Submit

15) What is the amplitude of y = (7/10)sin(x)?

7/10

10/7

1

0

Submit

16) What is the amplitude of y = −sin(x)?

0

1

2

−1

Submit

17) Which function has amplitude 6?

Y=(1/6)sin(x)

Y=sin(6x)

Y=6sin(x)

Y=sin(x) + 6

Submit

18) What is the amplitude of y = (1/4)sin(x)?

1/4

4

1

0

Submit

19) What is the amplitude of y = −5sin(x)?

5

−5

0

1

Submit

20) What is the amplitude of y = √2 sin(x)?

2

√2

1/√2

1

Submit

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All (20)
Unanswered ()
Answered ()

What is the amplitude of y = 3sin(x)?

What is the amplitude of y = (1/2)sin(x)?

Which function has amplitude 7?

What is the amplitude of y = −(3/4)sin(x)?

What is the amplitude of y = 10sin(2x)?

Which function has amplitude 2?

What is the amplitude of y = −12sin(x)?

What is the amplitude of y = (5/6)sin(x)?

Which function has amplitude 1?

What is the amplitude of y = −8sin(x)?

Which function has amplitude 4?

What is the amplitude of y = (2/5)sin(x)?

What is the amplitude of y = −9sin(x)?

Which function has amplitude 11?

What is the amplitude of y = (7/10)sin(x)?

What is the amplitude of y = −sin(x)?

Which function has amplitude 6?

What is the amplitude of y = (1/4)sin(x)?

What is the amplitude of y = −5sin(x)?

What is the amplitude of y = √2 sin(x)?

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