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, CHAPTER 1 NAME_____________________________
TEST FORM A
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Find the slope of the line containing the given points. ANSWERS
16. (3, 6) and ( 7, 2) 16.
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17. (4, 3) and (4, 9)
17.
(1.5, 3.2) and ( 4.0, 3.2)
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18.
18.
19. In week one, the number of inquiries was 15. The number of
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inquiries increased to 79 in week four. Find the average rate of
change in number of inquiries from week one to the week four.
19.
20. Find the slope and the y-intercept of the graph of 5x – 2y = –10.
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20.
21. Total Cost. Hideaway Vacation Cabins charges $200 plus $15
per person for a weekly rental fee during the off-season. Write an
equation that can be used to determine the total cost, C(p), of a
21.
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weekly rental during the off-season for p persons. Then find the
total cost for a weekly rental for five persons.
1
22. Write an equation for a line with m = and y-intercept (0, 7) .
2 22.
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23. Write an equation for the line that passes through (−2, − 1)
and (4, − 6) .
23.
24. Write an equation of the horizontal line that passes through
( 0.6, 5.4) .
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25. Determine whether the lines are parallel, perpendicular, or 24.
neither.
4x − 5 y = 6
10 y − 8 x = 22
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25.
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