Intro Arithmetic Sequence

What is the common difference of the sequence

11, 20, 29, 38...

• 9

• -9

• 31

• -31

If a sequence is arithmetic, it has a common difference

• True

• False

What is the common difference for the arithmetic sequence: 25, 34, 43, 52, ...

• 1

• -11

• -9

• 9

Given the pattern (sequence), how do you find the next term?

• Addition/Subtraction (Arithmetic)

• Other

• Arithmetic

• Geometric

Answer explanation

Percentages are almost always Geometric.

• Arithmetic

• Geometric

Answer explanation

Percentages are almost always Geometric.

Given the pattern (sequence), how do you find the next term?

• Addition/Subtraction (Arithmetic)

• Multiplication/Division (Geometric)

Which of the following is true about the sequence 37, 42, 47, 52, 57...

• a₁ = 47

• a₂ = 47

• a₃ = 47

• a₄ = 47

Given the sequence 210, 205, 200, 195, 190..., what is a₇?

• 185

• 180

• 175

• 170

If a sequence is arithmetic, all of the following are true except:

• You add the same value to get from one term to the next

• The difference between a₁ and a₂ is the same as the difference between a₂ and a₃

• The sequence has a common difference

• The difference between any two numbers in the sequence is the same