Exam 11: Miscellaneous Topics

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Write the first five terms of the geometric sequence with the given properties. a+bia + b i The 4th term is 3i(66i)- 3 i ( 6 - 6 i ) .

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1010i- 10 - 10 i

8, 16, 32, 64, 128, . . . is an example of a geometric sequence. The first __________ is 8 and the common ratio is 2.

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Find the sum. x22x=7x ^ { 2 } - 2 x = 7

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x=1±22x = 1 \pm 2 \sqrt { 2 }

Find the positive geometric mean between 4 and 54 .

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For the given arithmetic sequence, find the sum of the specified number of terms. The first 17 terms of x22x=7x ^ { 2 } - 2 x = 7

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Write the first five terms of the geometric sequence with the given properties. a1=3a _ { 1 } = 3 , r<0r < 0 The 3rd term is 48 . a1=a _ { 1 } = __________ a2=a _ { 2 } = __________ a3=a _ { 3 } = __________ a4=a _ { 4 } = __________ a5=a _ { 5 } = __________

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Write the first 4 terms of the geometric sequence with a1=15a _ { 1 } = \frac { 1 } { 5 } , r>0r > 0 , 6th 6 ^ { \text {th } } term is 325\frac { 32 } { 5 } .

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John has $10,000 in a safe deposit box. Each year, he spends 12% of what is left in the box. How much will be in the box after 15 years?

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Find the common ratio of the geometric sequence with a first term a+bia + b i and a sixth term 3i(66i)- 3 i ( 6 - 6 i ) .

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Write the first five terms of the arithmetic sequence with the following properties. a1=2a _ { 1 } = 2 The 6th term is 32. a1a _ { 1 } = __________ a2a _ { 2 } = __________ a3a _ { 3 } = __________ a4a _ { 4 } = __________ a5a _ { 5 } = __________

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Match each sum with the corresponding summation notation. - k=59k2\sum _ { k = 5 } ^ { 9 } k ^ { 2 }

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Find the sum: 56+142+7+722+782+56 + 14 \sqrt { 2 } + 7 + \frac { 7 } { 2 \sqrt { 2 } } + \frac { 7 } { 8 \sqrt { 2 } } + \ldots

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In the symbol k=13(5k6)\sum _ { k = 1 } ^ { 3 } ( 5 k - 6 ) , k is called the __________ of summation.

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Each term of a(n) __________ sequence is found by adding the same number to the previous term.

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8, 16, 32, 64, 128, . . . is an example of a __________ sequence. The first term is 8 and the common ratio is 2.

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Insert three arithmetic means between x22x=7x ^ { 2 } - 2 x = 7 and x=1±22x = 1 \pm 2 \sqrt { 2 } .

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Insert two arithmetic means between 20 and 30 .

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For the given arithmetic sequence, find the sum of the specified number of terms. The first 30 terms of x22x=7x ^ { 2 } - 2 x = 7

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Find the sum of the infinite geometric series: 52+12+110+150+\frac { 5 } { 2 } + \frac { 1 } { 2 } + \frac { 1 } { 10 } + \frac { 1 } { 50 } + \ldots

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Find the common ratio of the geometric sequence with a first term -7 and a sixth term 1701- 1701 .

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