Unit 6 Lesson 2

Multiple Choice

What is the horizontal axis for $$y=-\frac{1}{3}\cos2x-4$$  ?

• $$y=2$$  

• $$y=-4$$  

• $$y=4$$  

• $$y=-\frac{1}{3}$$  

• $$y=-2$$  

Multiple Choice

What is the amplitude for $$y=-\frac{1}{4}\sin3x+1$$  ?

• $$3$$   

• $$-4$$   

• $$4$$   

•   $$\frac{1}{4}$$  

• $$-\frac{1}{4}$$   

Multiple Choice

What is the period for $$y=4\sin2\theta+5$$  ?

•    $$180\degree$$  

•    $$360\degree$$  

•    $$720\degree$$  

•    $$90\degree$$  

•    $$1440\degree$$   

Multiple Choice

What is the period for $$y=-\cos\frac{1}{3}x-1$$ ?

•    $$6\pi$$  

•    $$2\pi$$  

•    $$3\pi$$  

•    $$\frac{2\pi}{3}$$  

•    $$\frac{\pi}{3}$$  

Multiple Choice

What is the phase shift for $$y=2\cos\left(x+\pi\right)$$ ?

• Left π

• Right π

• Left 2π

• Right 2π

Multiple Choice

What is the phase shift for $$y=-\sin\left(\theta-90\degree\right)-4$$ ?

• Left 90°

• Right 90°

• Left 94°

• Right 94°

Multiple Choice

What is the phase shift for $$y=2\sin\left(2x+\frac{\pi}{4}\right)$$ ?

• Left $$\frac{\pi}{8}$$  

• Right $$\frac{\pi}{8}$$  

• Left $$\frac{\pi}{2}$$  

• Right $$\frac{\pi}{2}$$  

• Left $$\frac{\pi}{4}$$