Find the sum of the given infinite geometric series. a, =-20, a, =-1620, r = 3 =-20, a 5 %3D -800 -4100 -1220 D -2420

Q: A. Write the first four terms of the geometric sequence in which a, and r are as follows: 1. a, =7,…

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Q: List the first five terms of the sequence. an = cos 2.

A: Put n=1,2,3,4,5 in an=cosnπ2. For n=1, a1=cosπ2     =0 For n=2, a2=cos2π2     =cosπ     =-1

Q: Find the sum of the infinite geometric series (if possible). -125, -25, -5, -1... 544 625 4 No Sum -…

A: -125,-25,-5,-1,............  a1=-125 a2=-25 a3=-5 Common ratio is given as r=a2a1=a3a2 r=-25-125…

Q: Find the first 5 terms of each sequence. 1. а, %3D 1, а, 3 3 (а-1) 2. a, = 2, an =2 (an-1 + 1) – 5…

A: By given  relation  we can find the term of sequence

Q: 2. One dollar is worth 4.5 francs. A quart of gasoline costs 2 francs. How many dollars does a…

A: One dollar is worth 4.5 francs. A quart of gasoline costs 2 francs. To determine the number of…

Q: Find a formula for an for the arithmetic sequence. aj = 0, d=- a. 4 An=3n- 3 b. An=- 4 An=-n с. d. 4…

A: Given first term = a1= 0 and common difference = d= -4/5

Q: In the process of solving 2x3+7x2+9x+10=0, you test 1, 2, 5, and 10 as possible zeros and determine…

A: Given 2x3+7x2+9x+10

Q: th he nº" term of a sequence is given. Find the indicated term. Express your answer in simplest…

A: Topic:-  algebra

Q: Find the sum of the infinite geometric series. n-1 E 9- ()" -26 O-27 27 -31

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Q: Find the 10th term of the arithmetic sequence in which a1=12 and d = 9.1.

A: It is given that, a1=12d=9.1   It is known that nth term of arithmetic sequence can be found  by…

Q: Find the first three terms and the ninth term of the sequence that has the given nth term.…

A: An= (-1)n+11n(n+1)

Q: Find the sum of each geometric series. 1. 36+6+1+...; S10 2. a1=1, r=4; S6

A: Find the sum of each geometric series.  1. 36+6+1+...; S10 2. a1=1, r=4; S6

Q: The type of the sequence -10, -13, -16, -19, …. Is?   1.  None of the answers   2.  HP   3.…

A: Given sequence 10, -13, -16, -19, ….

Q: 1,22,3,3.5,4.75,.. q = 4(a)-2 an a, =6(a) a, =7-a

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Q: Find a4 when a₁ = 3 and r = - 2 Select one: O a. - 16 O b. 16 O c. 24 O d. - 24

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Q: -7,-30,-122,... O4=4(a)-2 %3D (a) +a;n23 an a, = 6(a) %3D a =7-a1

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Q: Give the 10th term of the following sequence: 1, 4, 7, 10

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Q: 28. Which equation best represents the line on the graph? 3. A. y=--x-4 B. y=-x-4 C. y =-x- D. y=-…

A: It is observed that the given graph passes through the points: 0,-4and -4,2 The given equations are:…

Q: [2] Find the infinite sum S below consisting of the terms of a geometric sequence. 1 S= -- -+ 4 8.…

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Q: Write the first five terms of | 1 2 3 4 5 each geometric sequence 1).a, = 3, r = 5 2)a, = 10, r = -4…

A: Given that we have to find the first fiver term of each geometric sequence