Sum of Series

Find the sum of the Arithmetic Series with first term 1, common difference 3 and last term 100!

The sum of the first 20 terms of an Arithmetic Series is identical to the sum of the first 22 terms. If the common difference is -2, find the first term!

Determine the sum of the series written in Sigma Notation. 

• 5400

• 2692

• 2700

• 2704

Q1. What is the result of 14 x 28?

• 1) 196

• 2) 392

• 3) 49

• 4) 254

Evaluate.

• 112

• 99

• 140

• -8

Is this summation finite or infinite?

• Finite, because there are only 6 terms to add up.

• Infinite, because there are an infinite number of terms to add up.

Calculate the sum.

• 66

• 14

• 704

• 114

Find the sum of the finite geometric series:

• 88419

• 78124

• 91846

• 92234

What is the sum of the first ten terms of the sequence 4, -12, 36, . . . ?

• 59,050

• -59,048

• -78,732

• 118,096

What is the sum of the first ten terms of the sequence 4, -12, 36, -108 . . . ?

• 59,050

• -59,048

• -78,732

• 118,096