Wave Practice 2023

What is the equation of graph? 

• y = sin 5x
• y =  cos 5x
• y = 5 sin x
• y = 5 cos x 

What is the equation of the graph?

• y = - 6 cos x - 1
• y = 3 cos x - 4
• y = -7 cos x 
• y = -3 cos x - 4 

What is the period of the equation shown?

• 2π

• 4π

• π / 2

• π

What is the period of the equation shown?

• 8π

• 4π

• π / 4

• π / 2

What is the equation of the graph?

•  y = 2 cos x
• y = sin x
• y = 2 sin x
• y = sin 2x 

Sine or Cosine?

• y=sinx
• y=cosx

What is the amplitude of this function?

• 2
• 2π
• -2
• 1

What is the period?

• π/4
• π/2
• 3π/4
• π

Write the equation for a sine function with an amplitude of 6 and a period of π/4.

• y=6sin(8x)
• y=6sin8(x-1)
• y=6sin1/4x
• y=6sinx

What is the period of

y=cos(3x) - 5?

• π/3

• π/6

• 2π/3

• 2π/6