Math 021 Test 2 Review Sheet - 2012 Page 7
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12Test 2 Review Sheet
MATH 021
09/12
c.
What is the slope of the line? What is the practical meaning of the slope in the
context of this situation?
d.
What is the y-intercept? What is the practical meaning of the y-intercept in the
context of this situation?
e.
What is the equation of the line?
f.
What is the cost of driving 175 miles?
g.
How many miles may be driven for $45?
43.
To produce 50 copies of the school newspaper, the cost per paper is $0.26. To produce
200 copies of the school newspaper, the cost per paper is $0.20. Find the linear equation
that fits these data. (Assume that the cost is a function of the number of copies.)
44.
Match the equation (a) – (d) with the correct graph (A) – (D).
a.
b.
c.
d.
VIII. Review from Unit 1
(Note: In addition to the following problems, you should also review your notes and other
materials from Unit 1.)
45.
Combine like terms:
46.
Evaluate
.
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