Quiz about untitled

Question 1

What is the reference angle for 2pi/3

Accepted Answer

pi/3

Answer

pi/4

Answer

7pi/6

Answer

4pi/3

Question 2

What is the reference angle for 5pi/4?

Accepted Answer

pi/4

Answer

7pi/4

Answer

pi/6

Answer

pi/3

Question 3

How many radians does a circle have?

Accepted Answer

2pi radians

Answer

360 degrees

Answer

pi radians

Answer

^{2 radians}

Question 4

What is the reference angle?

Accepted Answer

73

Answer

163

Answer

27

Answer

107

Question 5

What is the reference angle for 275 degrees?

Accepted Answer

85 degrees

Answer

95 degrees

Answer

-85 degrees

Answer

-95 degrees

Question 6

If $$ heta = 225^\circ$$ , what is the reference angle of $$ heta$$ in radians?

Accepted Answer

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

Answer

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

Answer

$$\frac{5\pi}{4}$$

Answer

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

Question 7

What is the reference angle for an angle measuring $$300^\circ$$ ?

Accepted Answer

$$60^\circ$$

Answer

$$30^\circ$$

Answer

$$45^\circ$$

Answer

$$90^\circ$$

Question 8

Convert $$\frac{3\pi}{4}$$ radians to degrees.

Accepted Answer

$$135^\circ$$

Answer

$$150^\circ$$

Answer

$$120^\circ$$

Answer

$$180^\circ$$

Question 9

Which function is the reciprocal function of the cosine?

Accepted Answer

secant

Answer

sine

Answer

cosecant

Answer

tangent

Question 10

Which function is the reciprocal of the sine?

Accepted Answer

cosecant

Answer

cosine

Answer

secant

Answer

cotangent

Question 11

What are co-terminal angles?

Accepted Answer

angles that share the same terminal side

Answer

angles that are supplementary

Answer

angles that are complimentary

Answer

angles that are opposite each other

Question 12

What is a reference angle?

Accepted Answer

Acute, positive angle formed with terminal side and x axis

Answer

angles measuring more than 180 degrees

Answer

co-terminal with another angle

Answer

an angle measured in degrees

Question 13

The tangent of an acute angle in a triangle is the ratio of which two of its sides?

Accepted Answer

opposite/adjacent

Answer

adjacent/opposite

Answer

opposite/hypotenuse

Answer

adjacent/hypotenuse

Question 14

The sine of an acute angle in a triangle is the ratio of which two of its sides?

Accepted Answer

opposite/hypotenuse

Answer

opposite/adjacent

Answer

adjacent/hypotenuse

Answer

adjacent/opposite

Question 15

The cosine of an acute angle in a triangle is the ratio of which two of its sides?

Accepted Answer

adjacent/hypotenuse

Answer

opposite/adjacent

Answer

opposite/hypotenuse

Answer

hypotenuse/adjacent

Question 16

Rationalize the denominator of the fraction $$\frac{5}{\sqrt{3}}$$ .

Accepted Answer

$$\frac{5\sqrt{3}}{3}$$

Answer

$$\frac{5}{3\sqrt{3}}$$

Answer

$$\frac{\sqrt{3}}{5}$$

Answer

$$\frac{5}{\sqrt{9}}$$

Question 17

Rationalize the denominator of the fraction $$\frac{2}{3\sqrt{2}}$$ .

Accepted Answer

$$\frac{2\sqrt{2}}{6}$$

Answer

$$\frac{6}{2\sqrt{2}}$$

Answer

$$\frac{2\sqrt{2}}{9}$$

Answer

$$\frac{2}{\sqrt{18}}$$

Question 18

Rationalize the denominator:
$$\frac{2\sqrt{8}}{\sqrt{12}}$$

Accepted Answer

$$\frac{2\sqrt{6}}{3}$$

Answer

$$\frac{\sqrt{96}}{6}$$

Answer

$$\frac{2\sqrt{96}}{12}$$

Answer

$$\frac{4\sqrt{2}}{2\sqrt{3}}$$

Question 19

Rationalize the denominator:
$$\frac{7\sqrt{3}}{4\sqrt{7}}$$

Accepted Answer

$$\frac{\sqrt{21}}{4}$$

Answer

$$\frac{7\sqrt{21}}{28}$$

Answer

$$\frac{7\sqrt{21}}{196}$$

Answer

$$\frac{\sqrt{21}}{28}$$

Question 20

Rationalize the denominator:
$$\frac{7\sqrt{3}}{\sqrt{10}}$$

Accepted Answer

$$\frac{7\sqrt{30}}{10}$$

Answer

$$\frac{70\sqrt{3}}{10}$$

Answer

$$\frac{7\sqrt{3}}{100}$$

Answer

$$7\sqrt{3}$$

Question 21

Rationalize the denominator: $$\frac{\sqrt{5}}{\sqrt{6}}$$

Accepted Answer

$$\frac{\sqrt{30}}{6}$$

Answer

$$\sqrt{5}$$

Answer

$$\frac{\sqrt{5}}{6}$$

Answer

$$\frac{\sqrt{30}}{36}$$

Question 22

Rationalize the denominator: $$\frac{2\sqrt{3}}{5\sqrt{2}}$$

Accepted Answer

$$\frac{\sqrt{6}}{5}$$

Answer

$$\frac{\sqrt{3}}{5}$$

Answer

$$\frac{2}{5}$$

Answer

$$\frac{\sqrt{6}}{10}$$

Question 23

What do you need to find to simplify square roots

Accepted Answer

perfect square factor

Answer

square roots

Answer

even factors

Answer

factors of ten

Question 24

Select all perfect square factors

Accepted Answer

64

Accepted Answer

9

Accepted Answer

25

Answer

3

Answer

6

Question 25

Select all perfect square factors

Accepted Answer

121

Answer

5

Answer

100

Answer

144

Answer

200

Question 26

What is the longest side of a right triangle called?

Accepted Answer

Hypotenuse

Answer

Leg A

Answer

Leg B

Answer

Pythagoras' Big Buddy

Question 27

The Pythagorean Theorem is
c² = a² - b²

Accepted Answer

false

Answer

true

Question 28

What is the formula for finding the hypotenuse?

Accepted Answer

a²+b²=c²

Answer

a+b=c

Answer

a²-b²=c²

Answer

c²-a²=c²

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