# Sequences & Series Questions and Answers

Math

Sequences & Series Solutions

Use the notation for sequences to translate the following to mathematical equations. "The nth term of the sequence is 78." Use fx to type math equations or insert a image of your hand written

Math

Sequences & Series Solutions

Find the first 5 terms of the following sequence: an=n!(-1)n Answers:

Math

Sequences & Series Solutions

Find the first 5 terms of the following sequence: an = 2an-2+ an-1 for n > 2; a₁ = 1, a₂ = 2 Answers:

Math

Sequences & Series Solutions

Find the first 5 terms of the following sequence: a = (-1)n 2n Answers:

Math

Sequences & Series Solutions

Let an 2 + (-3)(n-1) a) To find a3, which variable in the equation should we substitute 3 in? b) If a7 = -16, which part in the equation an = 2 + (-3)(n-1) is -16? Which part is 7? c) Find a10 d) If

Math

Sequences & Series Solutions

Solve the equation and write the solution set. Write the solutions in order from smallest to largest. Use / to write fractions. Do not enter any spaces in the answer. (9x - 3)²=49 The solution set

Math

Sequences & Series Solutions

Determine whether the sequence is geometric, arithmetic, neither with a defined general term, or neither with an undefined term, in any case justify your answer. 3, 1, 4, 1, 5, 9, 2, 6

Math

Sequences & Series Solutions

Find the first four terms of the arithmetic sequence. a1 = -5, d= -9 What is the first term? a1 = ______ What is the second term? a2 = _____ What is the third term?

Math

Sequences & Series Solutions

Find the common difference d for the arithmetic sequence. -7, -13, -19, -25,... d = ▢

Math

Sequences & Series Solutions

For the arithmetic sequence, find a18 and an when a1 = 7 and d = -5. a18 = -78

Math

Sequences & Series Solutions

Use a formula to find the sum of the following arithmetic series. 1+2+3+4+ ... +34 The sum of the given arithmetic series is (Simplify your answer)