Sine/Cosine Find the Amplitude and Period

Find the amplitude of y=-5cos1/2x+π

• 1

• -5

• 1/2

• 5

Tags

CCSS.HSF-IF.C.7E

Find the period of y=cos[3x+π/2]

• 2π/3

• 6π

• 3π

• 4π/3

Tags

CCSS.HSF-IF.C.7E

The period of a sine or cosine graph can be found by ....

• It's always 2π
• 2π/B
• B(2π)
• 2π+B

Tags

CCSS.HSF-IF.C.7E

What is the amplitude of this function?

• 2
• 2π
• -2
• 1

Tags

CCSS.HSF-IF.C.7E

What is the period?

• π/4
• π/2
• 3π/4
• π

Tags

CCSS.HSF.TF.A.4

What is the period of y=4cos5x

• 2π/5
• π
• 5
• 5π

Tags

CCSS.HSF.TF.A.4

Which equation?

• y= -cos(2x)
• y= cos(2x)
• y= (1/2)cosx
• y= (-1/2)cosx

Tags

CCSS.HSF-IF.C.7E

Write an equation of a sine function with a period of π and amplitude of 7.

• y=7sin2πx
• y=7sinπx
• y=2sin7x
• y=7sin2x

Tags

CCSS.HSF.TF.A.4

• A
• B
• C
• D

Tags

CCSS.HSF-IF.C.7E

Find the amplitude of

 $y=-8\cos\left(\frac{7x}{4}\right)$  .

•  $\frac{7}{4}$  

• 8

• -8

•  $\frac{1}{8}$  

Tags

CCSS.HSF-IF.C.7E