Arithmetic and Geometric Sum Formulas

Find the sum of the infinite geometric series, if it exists.

• 8

• 8/5

• 10

• Does not exist

It is a sequence wherein the terms are generated by adding a constant number called common difference.

• Arithmetic Sequence

• Fibonacci Sequence

• Geometric Sequence

• Harmonic Sequence

Write the explicit formula for the geometric sequence.

• a_n = 4(3)^n-1

• a_n = 3(4)^n-1

• a_n = -4(3)^n-1

• a_n = 3(-4)^n-1

• Sequence

• Recursive Formula

• Explicit Formula for an Arithmetic Sequence

• Explicit Formula for a Geometric Sequence

Find the sum of the arithmetic series using a formula. The first 42 terms of the series whose terms are a_n=10-5n

• -4090

• -3895

• -4095

Harley wants to calculate the sum of the first six terms of the geometric sequence -2, -6, -18, -54, . . . Which of the following formulas will she need to use?

Which of the following is the symbol for the sum of an infinite geometric series?

Identify the formulas for Arithmetic Sequences, Geometric Sequences and Other types of Sequences.

• Sum of terms of arithmetic sequence

• Mean of arithmetic sequence

• Sum of arithmetic sequence

• Nth term of geometric sequence

Identify the formulas for Arithmetic Sequences, Geometric Sequences and Other types of Sequences.

• Geometric Series

• Arithmetic Sequence

• Nth term of geometric sequence

• Sum of terms of arithmetic sequence

Identify the formulas for Arithmetic Sequences, Geometric Sequences and Other types of Sequences.

• Sum of infinite terms of arithmetic sequence

• Nth term of geometric sequence

• Arithmetic Sequence

• Geometric Series