Geometric Sequences (Yr12 A Level)

• 36

• 18

• 54

• 216

The 6th term of a geometric sequence is 9.

Which equation represents the above information?

a, b, c .... is a geometric sequence.

Which of the following is true?

Which of these is not a geometric sequence?

• 1, 3, 9, 27 ...

• 1, -1, 1, -1 ...

• 48, 24, 12, 6 ...

• 1, 3, 5, 7 ...

The first term of a geometric sequence is -8.

the sixth term is -60.75.

Find the common ratio

• 2.5

• 1.5

• -1.5

• -2.5

The first term of a geometric sequence is 12 and the common ratio is 2.5

Find the 9th term of the sequence

• 183111

• 45776

• 7324

• 1538

The first term of a geometric sequence is 5 and the common ratio is 3.

Find the 7th term of the sequence

• 3645

• 2187

• 729

• 243

The first term of a geometric sequence is 10.

The fourth term is 80.

Find the common ratio

• 2

• 3

• 4

• 5

The first term of a geometric sequence is 7 and the common ratio is 0.5.

Find the 5th term of the sequence

• 0.875

• 1.75

• 0.4375

• 14