Solve.4(a + 2) - 9(a - 1) = -4(2a + 9) - 16
A. a = 23
B. a = -23
C. a = 
D. a = - 
Answer: B
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The sequence is defined recursively. Write the first four terms.a1 = ; an =
A. a1 = , a2 =
, a3 =
, a4 =
B. a1 = , a2 =
, a3 =
, a4 =
C. a1 = 
, a2 = 5, a3 = 5, a4 = 25
D. a1 = , a2 = 5
, a3 = 25
, a4 = 125
Provide an appropriate response.A student tried to clear the fractions in
+ 
= -2
+ 
= 1by multiplying both fractions by zero. Is this an acceptable approach?
Fill in the blank(s) with the appropriate word(s).
Write the first four terms of the geometric sequence with the given first term, a1, and common ratio, r.a1 = -3, r = -7
A. -3, 21, -63, 189, . . . B. -3, 21, -147, 1029, . . . C. -3, 21, 63, 189, . . . D. -3, 21, 147, 1029, . . .
Use your calculator to find a decimal approximation.(
+ 2)4
A. 798.994975 B. 801.574275 C. 812.998375 D. 788.994975