The Sines and Cosines Graph

What is the amplitude of this equation?
y = -10cos(5x)

• -10
• 5
• 2pi/5
• 10

Sine or Cosine?

Look at where the graph starts on the x-axis. H, O or L?

• y=sinx
• y=cosx

The period of a function is 

• how long one cycle is before the function repeats
• how high and low the function goes from the center line
• the range of the function

What is the period?

• 4π
• 2π
• π
• 8π

What is the amplitude of this function?

• 2
• 2π
• -2
• 1

What is the amplitude of the graph? 

• 1
• 3
• 6
• 9

Where is the starting point of the graph of y=sin(x)?

• (0,0)

• (1,0)

• (0,Pi)

• (1, Pi)