Question

Help with two algebra problems? Will medal and fan!

Answer 1

what is the ninth term of the arithmetic sequence defined by the rule below
a(n)=-14+(n-1)(2)

Answer 2

a. 232
b. 230
c. 2
d. 4

Answer 3

If you plug 9 in the place of n on both sides of the equation, can you work out what you'll get?

Answer 4

You would set it up like this a(9)= -14+(9-1)(2)

Answer 5

okay I got it :) thank you both!

Answer 6

Yay!

Answer 7

okay here's the last one,
which function below represents the arithmetic sequence 3,7,11,15...?
a. f(n) = 4 + 3(n - 1)
b. f(n) = 4 + 3n
c. f(n) = 3 + 4n
d. f(n) = 3 + 4(n - 1)

Answer 8

I think it's D but I'm not sure

Answer 9

It is D! Good job.