Question

Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule.

A(n) = 1 + (n – 1)(-5.7)

A) 1, -16.1, -50.3
B) -5.7, -21.8, -51.3
C) 1, -21.8, -56
D) 0, -17.1, -51.3

Answer 1

plug in a 1 for n

Answer 2

plug in a 4 for n

Answer 3

plug in a 10 for n

Answer 4

A(1) = 1 + (1 - 1)(-5.7)
= 1 + (0)(-5.7)
= 1 + 0
= 1

Answer 5

A(4) = 1 + (4 -1)(-5.7)
= 1 + (3)(-5.7)
= 1 + 17.1
= 18.1

Answer 6

@eyust707

Answer 7

Are you sure its written correctly?

Answer 8

I think so...... What did I do incorrectly?

Answer 9

youre math is fine thats why im wondering if maybe you copied the problem down wrong

Answer 10

Well can you help me out?

Answer 11

Can you take a screenshot or picture of the actual problem

Answer 12

I don't know how?

Answer 13

is it online homework?