Quiz about Elearning 1-23 Review of Sine and Cosine graphs

Question 1

What shift is happening in the function y=2sinx+4

Accepted Answer

Up 4

Answer

Right 4

Answer

Left 4

Answer

Down 4

Question 2

What shift is happening in the function y=sinx-8

Accepted Answer

Down 8

Answer

Left 8

Answer

Right 8

Answer

Up 8

Question 3

Where would you start graphing the function y=-3cosx?

Accepted Answer

Min

Answer

Max

Answer

(0,0)

Question 4

What is the equation of the function shown?

Accepted Answer

y=2cosx

Answer

y=-2cosx

Answer

y=cos2x

Answer

y=2cos2x

Question 5

What is the equation of graph?

Accepted Answer

y = 5 cos x

Answer

y = sin 5x

Answer

y =  cos 5x

Answer

y = 5 sin x

Question 6

What is the vertical shift?

Accepted Answer

Down 3

Answer

Down 1

Answer

Down 5

Answer

Down 4

Question 7

Angle $$ heta$$ , measured in radians, satisfies $$\cos\left( heta ight)=0$$ . What could the value of $$ heta$$ be? Select ALL the answers that apply.

Accepted Answer

$$\frac{\pi}{2}$$

Accepted Answer

$$\frac{3\pi}{2}$$

Answer

Answer

$$\frac{\pi}{4}$$

Answer

Question 8

Which statements are true for BOTH functions $$y=\sin\left( heta ight)$$ and $$y=\cos\left( heta ight)$$ ? Select ALL that apply.

Accepted Answer

The period is $$2\pi$$

Accepted Answer

The maximum value is 1

Accepted Answer

The function has a value of $$\frac{\sqrt[]{2}}{2}$$ when $$ heta=\frac{\pi}{4}$$ .

Answer

The maximum value occurs at $$ heta=0$$

Answer

The minimum value is 0.

Question 9

For which of these angles is the sine negative? Select ALL that apply.

Accepted Answer

$$-\frac{\pi}{4}$$

Accepted Answer

$$-\frac{\pi}{3}$$

Accepted Answer

$$-\frac{2\pi}{3}$$

Answer

$$-\frac{4\pi}{3}$$

Answer

$$-\frac{11\pi}{6}$$

Question 10

Which of these is true for the function $$y=3\sin\left(\frac{x}{2}\right)$$ ?

Accepted Answer

Period is $$4\pi$$

Answer

Period is $$\pi$$

Answer

Period is 3

Answer

Period is $$2\pi$$

Elearning 1-23 Review of Sine and Cosine graphs

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