Sequence With Numbers

Find the common ratio: 4, -16, 64, -256, ...

• r = -4

• r = 2

• r = -2

• r = 4

This sequence is a(n)...

• Arithmetic Sequence with a common difference of 5

• Arithmetic Sequence with a common ratio of 5

• Geometric Sequence with a common difference of 5

• Geometric Sequence with a common ratio of 5

Write the recursive rule for the given sequence

Which formula is used to find the explicit equation for geometric sequences?

• a_n = a_n-1 + d

• a_n = a_n-1 * r

• a_n = a₁ + d(n-1)

• a_n = a₁ * r^n-1

Which sequence is represented by the equation a_n = 2(7)^n-1 ?

• 7, 14, 28, 56...

• 2, 14, 98, 686...

• 2, 9, 16, 23...

• 7,9,11,13...

Given the sequence: 25, 21, 17, 13,... Write the explicit equation that models the sequence.

• a_n = 29-4(n-1)

• a_n = 4+25(n-1)

• a_n = 25-4(n-1)

• a_n = 4n + 25

Given the following sequence and a_n = 7, what is a_n+1?

• 2

• 12

• 17

• 22

a1 =

• 1

• 2

• 3

• 5

a3 =

• 14

• 2

• 3

• 8

This graph is...

• Arithmetic 

• Geometric

• Neither