Unit 4 Polynomials Worksheet Page 28
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29Review Problems (complete all)
17. Two cyclists start on the same corner and ride in opposite directions. One cyclist
rides twice as fast as the other. In three hours they are 81 miles apart. What is the
speed of each cyclist?
−15�� + 9�� = 27
18.
19. If �� �� = −2 �� − 6 = 2�� + 4 find ��(−2)
−5�� − �� = 17
20. Graph all 4 lines and determine which
one is the best line of fit.
!
a. �� = −
�� + 10
!
b. �� = −�� + 10
!
c. �� = −
�� + 10
!
!
d. �� = −
�� + 10
!
21. Write an equation to determine the nth term.
57, 62, 67, 72, …
22. Athena had 5 times as many quarters as dimes. If the total value of her coins was
$16.20, how many of each kind of coin did she have?
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