Quiz about Variation and Graphing Rational Functions

Question 1

The equation
xy = 25 represents:

Accepted Answer

inverse variation

Answer

direct variation

Answer

joint variation

Answer

none of these

Question 2

What is the constant (k) in this inverse variation?
y = 400/x

Accepted Answer

400

Answer

x

Answer

y

Answer

Not enough information given

Question 3

Given that y varies inversely with x, if x =7 and y = 4, what is y when x = 2?

Accepted Answer

14

Answer

10

Answer

2

Answer

-14

Question 4

Which is the graph of the rational equation:

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 5

The given graphed function would have a horizontal asymptote at

Accepted Answer

y = 0

Answer

x = 0

Answer

x = 2

Answer

y = 2

Question 6

What is the domain for the following function?

Accepted Answer

All real numbers except 2.

Answer

All real number except -2.

Answer

All real numbers except 4.

Answer

All real numbers.

Question 7

What is the range for the following function?

Accepted Answer

All real numbers except for 4.

Answer

All real numbers.

Answer

All real numbers except for -2.

Answer

All real numbers except for 2.

Question 8

What is the horizontal asymptote of the function?

Accepted Answer

y = 0

Answer

x =1

Answer

x = -2

Answer

x = 2

Question 9

What is the Vertical Asymptote?

Accepted Answer

x= 6

Answer

x= -5

Answer

x= 5

Answer

x= -6

Question 10

What are the asymptotes?

Accepted Answer

x=2 and y=1

Answer

x=-2 and y=-1

Answer

x=-2 and y=1

Answer

x=2 and y = -1

Question 11

What is the equation of the horizontal asymptote of the given function?

Accepted Answer

y = 2

Answer

x = 1

Answer

There isn't one

Answer

y = 5

Question 12

State the vertical asymptote.

Accepted Answer

x = -5

Answer

$$x=-\frac{2}{5}$$

Answer

$$x=-\frac{5}{2}$$

Answer

x = 2

Question 13

Which of the following represents the graph below?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 14

Which is a possible graph of the function?

$$f\left(x\right)=-\frac{3}{x+1}-2$$

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 15

Which is a possible graph of the function?

$$f\left(x\right)=\frac{1}{4x-12}+4$$

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 16

Which is a possible graph of the function?

$$f\left(x\right)=\frac{-2}{2x+4}-5$$

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 17

Identify the domain and range of the function

$$f\left(x\right)=-\frac{4}{5x+30}+7$$

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Variation and Graphing Rational Functions

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