Review Sequences and Series

Find the 11th term of the sequence:

• 10240

• 5120

• 20480

• 2560

• Cube number sequence

• Multiple of three sequence

• Arithmetic Sequence

• Geometric Sequence

• Indices Sequence

Find the next term of this sequence: 10, 8, 5, 1, . . .

• -6

• -5

• -4

• -3

• 35

• 36

• 37

• 39

What is the sum of the first 20 terms of the arithmetic sequence 2, 5, 8, 11, ...?

• 590

• 610

• 630

• 650

Find S₁₄ for the arithmetic sequence.

• 959

• 36

• 497

• 185

Choose all the correct statements from the following options below.

• S₁ (Series) is the same with U₁ (Sequence)

• S₇ - S₆ will result U₇

• we can't find the series (the sum) if the given numbers are in a sequence form.

• Rectangular sequence and triangular sequence are two of many examples of Arithmetic Sequence with constant second difference.

Find the sum of the first 50 numbers in this sequence: \frac{1}{2}+\ 1+\frac{3}{2}+2+\frac{5}{2}+\ 3+\. \ . \ .

• 635.5

• 625

• 625.5

• 637.5

Fill in the gaps in this arithmetic sequence: -12, ___, ___, ___, ___, ___, 12

(Use format: Number1, number2, number3, . . .)

An arithmetic series has a sum of 9. The first term is 13 and the difference is -3. How many terms in the series?

(Write only number)