patterns and sequences

What is the next term in the series

3,6,9,12,15,___

• 21

• 18

• 24

• 30

• 18

if y = n + 4 what is the first five terms of the sequence

• 1,3,5,7,9

• 5, 6, 7, 8, 9

• 2, 4,6,8,10

• 3,6,9,12,15

Which of the following is not an infinite sequence

• 3,6,9,12. . .

• . -3,-6,-9,-12. . .

• 20,-12,-4. . .n

• 5,10,15,20 . . .

Which pattern best applied to the given sequence 4,2,0,-2,-4,-,6

• Y = -2n+ 2

• y = 2n + 2

• y = -2n + 6

• y = 2 n + 6

What is the common difference of 6, 1, -4, -9,. . .

• -5

• 5

• 4

• -4

What kind of sequence is this 5, 1, -3, -7, -11?

• Arithmetic series

• Arithmetic sequence

• geometric sequence

• Harmonic sequence

What is the unknown term of the sequence 6, 4, 2, ____, -2, -4, -6?

• 0

• 1

• -1

• 1/2

What are the two arithmetic means that can be inserted between -3 and -36?

• -10, -23

• -10, -23

• -14,-17

• 14,17

Find the sum of the first six terms of the arithmetic sequence 7, 4, 1, …

• -1

• -2

• -3

• -4

The 7^th term of the sequence 4, 7, 10, 13, 16….

• 21

• 22

• 23

• 24