Equations of Sine Graphs

What is the equation of the graph?

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

What is the period of y=4cos5x

• 2π/5
• π
• 5
• 5π

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

The period of a function is

• the length of one cycle

• how high and low the function goes from the center line

• the range of the function

What is the amplitude of this function?

• 2
• 2π
• -2
• 1

what is the period of y= -3sinx

• π
• 2π
• 3π
• 4π

What is an equation of the graph shown?

• y=cos1/2x
• y=cos2x
• y=sin 1/2 x
• y=sin2x

What is the period?

• 4π
• 2π
• π
• 8π

What is the period of y = 4Cos(2x)?

• 4π
• π
• 2π
• π/2

The vertical stretch of the graph; distance between the midline and the max/min.

• Period
• Cycle
• Axis of Oscillation
• Amplitude