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Practice Final (18267)
Question 1
The slope of a line containing ( 7 , 10 ) and ( 6 , 4 ) is
a)
14/13
b)
14
c)
14/13
d)
13/14
e)
6
f)
None of the above.
Question 2
Give the equation of the line that passes through the points ( 3 , 2 ) and ( 2 , 2 ).
a)
b)
c)
d)
e)
f)
None of the above.
Question 3
Suppose you buy a piece of office equipment for $16,000. After 2 years you sell it for a scrap value
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View Full Document of $1,000. The equipment is depreciated linearly over 2 years. The linear equation that expresses the
value V of the piece of equipment is terms of t (time in years) is
a)
b)
c)
d)
e)
f)
None of the above.
Question 4
A manufacturer has a monthly fixed cost of $70,000 and a production cost of $21 for each unit
produced. The product sells for $34 per unit. Find the breakeven revenue. (Answers below are in
dollars.)
a)
b)
c)
d)
e)
f)
None of the above.
Question 5
A company has fixed monthly costs of $110,000 and production costs on its product of $25 per unit.
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The company sells its product for $65 per unit. The cost function, revenue function and profit
function for this situation are
a)
b)
c)
d)
e)
f)
None of the above.
Question 6
A manufacturer has a monthly fixed cost of $60,000.00 and a production cost of $12 for each unit
produced. The product sells for $19 per unit. If the manufacturer produces and sells 13,000 units one
month, then his profit is
a)
$187,000
b)
$2,470,000
c)
$31,000
d)
$1,560,000
e)
$96,000
f)
None of the above.
Question 7
Which of the following matrices are in rowreduced form?
(Note: The dotted vertical line in each matrix should be a single vertical line.)
I.
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III.
a)
I and II only
b)
None of them
c)
II and III only
d)
I and III only
e)
All of them
f)
None of the above.
Question 8
Given that the augmented matrix in rowreduced form below is equivalent to the augmented matrix
of a system of linear equations. Determine whether the system has a solution and find the solution(s)
to the system, if they exist.
(Note: The dotted vertical line in the matrix above should be a single vertical line.)
a)
x
= 7,
y
= 10
b)
x
= 7,
y
= 10,
z
= any real number
c)
x
= 7,
y
= 10
d)
x
= 7,
y
= 10,
z
= 0
e)
No solution
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This note was uploaded on 08/30/2010 for the course MATH Math 1313 taught by Professor Abdelnourahmedzaid during the Spring '10 term at University of Houston.
 Spring '10
 AbdelnourAhmedZaid
 Math, Slope

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