Ch. 7 Trig Review Graphing, Solving Eqns, & Law of sin & cos

 $y=\ 3\cos\left(x-\pi\right)+4$  
3 represents the: 

• period

• amplitude

• phase shift

• vertical shift

Tags

CCSS.HSF-IF.C.7E

 $y=\ 3\cos\left(x-\pi\right)+4$  
4 represents the: 

• period

• amplitude

• phase shift

• vertical shift

Tags

CCSS.HSF-IF.C.7E

 $y=\ 3\cos\left(x-\pi\right)+4$  
What does the  $-\pi$  tell us in this equation? 

• the graph will shift right  $\pi$  

• the graph will shift left  $\pi$  

• the graph will shift up  $\pi$  

• the graph will shift down  $\pi$  

Tags

CCSS.HSF-IF.C.7E

 $y=\ 3\cos\left(x-\pi\right)+4$  
What is the period of this function?

•  $\pi$  

•  $2\pi$  

•  $3\pi$  

•  $\frac{\pi}{2}$  

Tags

CCSS.HSF-IF.C.7E

Where does the graph of cosine begin?

• (0,0)
• (0,1)
• (0, Pi)
• (1, Pi)

Tags

CCSS.HSF-IF.C.7E

What is the period of
y= 4 cos (5x)

• 2π/5
• π
• 5
• 5π

Tags

CCSS.HSF.TF.A.4

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

Find the amplitude of y=-5cos1/2x+π

• 1

• -5

• 1/2

• 5

Tags

CCSS.HSF-IF.C.7E

Find the period of y=2sin[1/4x-π/2]

• π/2

• 8π

• 4π

• π

Tags

CCSS.HSF-IF.C.7E

Find the period of y=-4cos[1/3x+π/4]

• 2π/3

• 3π

• 6π

• π/4

Tags

CCSS.HSF-IF.C.7E