Which of the following equations could be used to solve for the tenth term of the following sequence?

15, 13, 11, 9, ...

A(10) = 15 + 10(-2)
A(10) = 15 + 9(-2)
A(10) = 15 + 9(2)
A(10) = 15 + 10(2)

how do

Question

Which of the following equations could be used to solve for the tenth term of the following sequence?

15, 13, 11, 9, ...


A(10) = 15 + 10(-2)
A(10) = 15 + 9(-2)
A(10) = 15 + 9(2)
A(10) = 15 + 10(2)

how do

anonymous · Answer

The formula is
A(n) = a1 + (a2 - a1)(n - 1)  where a1 is the first term and a2 is the second term.

anonymous · Answer

thats what im getting. @jim_thompson5910

jim_thompson5910 · Answer

str99, now you plug in n = 10 and evaluate

anonymous · Answer

oh so its A?

anonymous · Answer

A or D right?

anonymous · Answer

A(10) = 15 + (13 - 15)(10 - 1) = 15 + 9(-2)

anonymous · Answer

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