Sequences Series and Summation

This symbol is:

• a funky looking "E"

• theta

• pi

• sigma

Tags

CCSS.HSF.BF.A.2

Write an explicit formula for a_n​, the nth term of the sequence 9, 13, 17, ...

• a_n = 9 + 4(n-1)

• a_n = 9 - 4(n-1)

• a_n = 9 + 4(n)

• a_n = 9 * 4^n-1

Tags

CCSS.HSF.BF.A.2

Find the common ratio of the geometric sequence 11, -55, 275,...

• -5

• 5

• 25

• -25

Tags

CCSS.HSF.BF.A.2

The series is written in summation notation, what is the value of the term when the index, k, equals 3?

Tags

CCSS.HSA.SSE.B.4

Tags

CCSS.HSA.SSE.B.4

Find the sum of the arithmetic series using a formula.

• 516, 240

• 516,242

• 116, 242

• 506, 242

Find the indicated sum

What is the sum of the first 50 terms of the series 2 + 17 + 32 + 47 + ...?

• 1,600

• 18,235

• 18,475

• 19,125

What is the sum of the first 50 terms of the series 2 + 17 + 32 + 47 + . . . 737 ?

Which of the following is the sum of first 17 terms of AP 4, 8, 12, 16……..?

• 626

• 627

• 628

• 612