Arithmetic Sequences

Which of the following is an Arithmetic Sequence?

• 3,6,8,10,...

• 2,0,-2,-5,...

• 4,7,10,13,...

• -4,-2,1,3,...

Which of the following is an Arithmetic Sequence?

• 4,8,16,32,...

• -2,-7,-12,17,...

• 9,8,11,7,...

• 101, 95,89,83,...

Which of the following is the Explicit form of an Arithmetic Sequence?

• a_n = a_n-1 + d

• a_n = a₁ + d(n-1)

• a₁,a₂,a₃,...

• a_n = {1,4,7,...}

Tags

CCSS.HSF.BF.A.2

What is the common difference and the next three terms of the sequence: 6,2,-2,-6,...

• d= 5; -11,-16,-21

• d= -4; -10,-14,-18

• d= -6; -12,-18,-24

• d= 4; 10,14,18

What is the 12th term of a sequence with an initial term of 3 and the common difference of -6?

• -57

• 69

• -63

• 24

The explicit form of an Arithmetic Sequence is closely related to what other function?

• y=mx+b

• x²+y²=r²

• y=|x|

If the 18th term in a sequence is 64 and the common difference is 2, what is the first term of the sequence?

• a₁= 1

• a₁= 30

• a₁= -32

• a₁= 98

The next two terms of the sequence 4,7,10,13 are ....

• 16 and 19
• 15 and 19
• 16 and 18
• 15 and 18

Identify the common difference.
3, 7, 11, 15, ...

• 6
• 5
• 4
• 2

Identify the common difference.
97, 86, 75, 64, ...

• 8
• 11
• -11
• -8