How do you write the first five terms of the arithmetic sequence given $a_1=5, d=-3/4$ ?

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Answer 1 · 2017-06-14T23:42:14

The equation for the nth term is:

$a_n = a_1+d(n-1)$

Substituting in the given values:

$a_n = 5-3/4(n-1)$

$a_1 = 5-3/4(1-1)= 5$

$a_2 = 5-3/4(2-1)= 17/4$

$a_3 = 5-3/4(3-1)= 14/4$

$a_4 = 5-3/4(4-1)= 11/4$

$a_5 = 5-3/4(5-1)= 2$

How do you write the first five terms of the arithmetic sequence given a_1=5, d=-3/4a_1=5, d=-3/4?