Write the rule for the nth term of an arithmetic sequence in which a10=46 and d=3

Question

Davon

Mathematics

11 April, 19:52

Write the rule for the nth term of an arithmetic sequence in which a10=46 and d=3

+2

Answers (1)

Know the Answer?

Kaia Cole · Answer 1

Equation for arithmetic sequence

a{n} = a{1} + d (n - 1)

Plug in known values

2 = a{1} + - 4 (10 - 1)

2 = a{1} - 36

38 = a{1}

a{1} = 38

Plug d = - 4 and a{1} = 38 into

arithmetic sequence equation

a{n} = 38 - 4 (n - 1)