Midline and Amplitude

What is the amplitude of the graph? 

• 0

• 3
• 6
• 9

what is the amplitude of y=5sin(7x)-2

• 7
• -2
• 5

• 0

Choose the equation for a sine function with an amplitude of 6 and a midline of -2

• y=6sin(8x)-2

• y=-2sin8(x+6)

• y=6sin(x-2)

• y=6sin(-2x)

Determine the amplitude of a graph with a maximum at -2 and a minimum at -6.6

• -2.3

• 2.3

• -5.3

• -4.3

What is the equation of the midline of this graph?

• y=3

• x=1

• Impossible to find without more information

• y=-2

What is the midline of the function: y = -3sin(x+1)

• y=-1

• y=0

• y=1

• y=-3

Determine the equation of the midline of a graph with a maximum at 2.5 and a minumum at -5.7

• y=-1.6

• y=-0.35

• y=-4.45

• y=4.1

What impact does a negative "a" parameter have on a sinusoidal graph.

• It causes the midline to always be negative

• It causes a negative amplitude

• It reflects it vertically

• It makes the period shorter