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Total questions: 21

Worksheet time: 1hrs 8mins

Name
Class
Date
1.
In the equation y = 14x, what is the constant of proportionality?
a)
y
b)
x
c)
14
2.
 Y varies directly with x, and y is 84 when x is 16. Which equation represents this situation?
a)
y=1344x
b)
y=100x
c)
y=5.25x
d)
y=4/21x
3.
Say 'TRUE' or 'FALSE'
The population of a country and the area of land per person are inversely proportional
a)
TRUE
b)
FALSE
4.
6 pipes fill a tank in 120 minutes, then 5 pipes can fill it in _______ minutes
a)
100 
b)
174
c)
144
d)
108
5.
If x and y are in an direct variation then which of the following is correct?
a)
x - y = constant
b)
x + y = constant
c)
xy = constant 
d)
x⁄y is constant 
6.
Identify whether the given relation is Direct or Indirect Proportion?
The number of workers on a job and the time to complete the job
a)
Direct Proportion
b)
Indirect Proportion 
7.
What is the constant (k) in this inverse variation?
y = 400/x
a)
x
b)
y
c)
400
d)
Not enough information given
8.
The interest received on a savings account varies directly with the amount deposited. Daniel received $55.35 in interest on $1230 he deposited. How much interest would Daniel have received if he had deposited $2000 into his account?
a)
34.04
b)
90.00
c)
1,285.35
d)
44,444.44
9.

Is there a hole or a vertical asymptote?

a)

A hole when x = 2

b)

A vertical asymptote at x = 2

c)

there is no hole or vertical asymptote

10.

What is the domain?

a)

All real numbers

b)

All real numbers except 4

c)

All real numbers except 2

d)

All real numbers except 2 and -2

11.

The horizontal asymptote equals zero when:

a)

the degree of the numerator and denominator are equal

b)

the degree of the numerator is less than the degree of the denominator

c)

the degree of the numerator is greater than the degree of the denominator

d)

the numerator equals zero

12.

What is the Horizontal Asymptote?

a)

y= 5

b)

y= -6

c)

y= 1

d)

y= 5/-6

13.

Select all the information that applies to the given rational function.

a)

V.A. at x = 2

b)

No Holes

c)

H.A. at y = -1/3

d)

y-intercepts at (0, 1/2)

14.

Select all the information that applies to the given rational function.

a)

V.A. at x = -3 and x = 1

b)

Hole at (1, 0)

c)

H.A. at y = 2

d)

x-intercepts at (3,0) and (1, 0)

15.

Simplify 

(x3)x+4+(x2)x+4\frac{\left(x-3\right)}{x+4}+\frac{\left(x-2\right)}{x+4}  

a)

(2x5)2x+8\frac{\left(2x-5\right)}{2x+8}  

b)

(x5)x+4\frac{\left(x-5\right)}{x+4}  

c)

(2x5)x+4\frac{\left(2x-5\right)}{x+4}  

d)

(x26)x+4\frac{\left(x^2-6\right)}{x+4}  

16.

Simplify

(3x4)x2+1(6x+1)x2+1\frac{\left(3x-4\right)}{x^2+1}-\frac{\left(6x+1\right)}{x^2+1}  

a)

(3x+5)x2+1-\frac{\left(3x+5\right)}{x^2+1}  

b)

(3x+5)x2+1\frac{\left(3x+5\right)}{x^2+1}  

c)

(3x+3)x2+1-\frac{\left(3x+3\right)}{x^2+1}  

d)

(3x5)2x2+2\frac{\left(-3x-5\right)}{2x^2+2}  

17.

Simplify

23x+57x\frac{2}{3x}+\frac{5}{7x}  

a)

2921x\frac{29}{21x}  

b)

710x\frac{7}{10x}  

c)

121x\frac{1}{21x}  

d)

197x\frac{19}{7x}  

18.

Simplify

3xx29462x-\frac{3x}{x^2-9}-\frac{4}{6-2x}  

a)

(x+6)(x+3)(x3)-\frac{\left(x+6\right)}{\left(x+3\right)\left(x-3\right)}  

b)

2(x+6)(x+3)(x3)\frac{2\left(x+6\right)}{\left(x+3\right)\left(x-3\right)}  

c)

5x6(x+3)(x3)-\frac{5x-6}{\left(x+3\right)\left(x-3\right)}  

d)

(5x6)(x+3)(x3)\frac{\left(5x-6\right)}{\left(x+3\right)\left(x-3\right)}  

19.

Simplify 

2x14x21+x2\frac{2}{x-1}-\frac{4}{x^2-1}+\frac{x}{2}  

a)

(x3+3x4)2(x21)\frac{\left(x^3+3x-4\right)}{2\left(x^2-1\right)}  

b)

(x3+4x+12)2(x+1)2\frac{\left(x^3+4x+12\right)}{2\left(x+1\right)^2}  

c)

(3x4)2(x1)2\frac{\left(3x-4\right)}{2\left(x-1\right)^2}  

d)

(x2+3x4)2(x1)\frac{\left(x^2+3x-4\right)}{2\left(x-1\right)^{ }}  

20.

Simplify the rational expression: (3x2 + 6x) / (2x2 + 4x)

a)

(3x2 + 6x) / (2x2 + 4)

b)

(3x2 + 6x) / (2x + 4)

c)

(3x + 6) / (2x + 4)

d)

(3x + 6) / (2x2 + 4x)

21.

Find the domain of the rational expression.

7x(x8)(x6)\frac{7x}{\left(x-8\right)\left(x-6\right)}

a)

{xx8, x6}\left\{x\left|x\ne8,\ x\ne6\right|\right\}

b)

{xx8, x6}\left\{x\left|x\ne8,\ x\ne-6\right|\right\}

c)

{xx8, x6}\left\{x\left|x\ne-8,\ x\ne6\right|\right\}

d)

all real numbersall\ real\ numbers