TEST BANK
COLLEGE ALGEBRA
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5th Edition
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,CHAPTER 1 NAME_____________________________
TEST FORM A CLASS_____SCORE_____GRADE_____
____________________________________________________________________________
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1. Determine whether the ordered pair − 5, is a solution of the ANSWERS
4
equation 3x – 8y = 21. 1.
2. Find the intercepts of 3 x − 2 y = 6
and graph the line. 2.
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See graph.
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3.
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3. Find the distance between 4, 8 and –7, 6 .
4.
4. Find the midpoint of the segment with endpoints 1, 0 and
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5, – 8 .
5.
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Find the center and the radius of the circle x 6 y 2 9 .
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5.
6.
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6. Find an equation of the circle with center –2, 3 and radius 11 .
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7. a) Determine whether the relation 5, 5 , 4, 4 , 3, 3 , 1, 1 7. a)
is a function. Answer yes or no. b)
c)
b) Find the domain of the relation.
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c) Find the range of the relation.
8. a)
8. Given that f x x 2 6 x 2 , find each of the following. b)
a) f 1 b) f a 3
3 x
9. Given that f x , find each of the following. 9. a)
4 x b)
a) f (− 4) b) f (− 3)
TEST FORM A
______________________________________________________________________________
Find the slope of the line containing the given points. ANSWERS
16. 4, – 2 and –4, 6 16.
17. 4, 1 and ( –7, 1)
17.
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18. –0.5, 8 and –0.5, 3
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18.
19. The number of clients served by Scott’s Small Motor Repairs was
260 in 2010. It grew to 320 in 2014. Find the average rate of
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change in number of clients from 2010 to 2014. 19.
20. Find the slope and the y-intercept of the graph of 5x – 2y = –10.
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20.
21. Total Cost. Kelly’s Deli charges $1.95 for a bagel with plain
cream cheese plus $0.30 for each additional topping. Write an
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equation that can be used to determine the total cost, C(t), for a 21.
bagel with plain cream cheese and t additional toppings. Then
find the total cost of a bagel with plain cream cheese and four
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additional toppings.
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22. Write an equation for a line with m = –3 and y-intercept 0, .
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23. Write an equation for the line that passes through 3, – 2
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23.
and 7, 6 .
24. Write an equation of the horizontal line that passes through
–8, 5 . 24.
25. Determine whether the lines are parallel, perpendicular, or
neither. 25.
2x + 5y = 8
− 5x + 3 = 2 y
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