Are the numbers going up or going down?
How much is it going up by or how much is it going down by?
Tell whether the sequence is arithmetic. If the sequence is arithmetic, write a function rule to represent it.
−3, −1, 1, 3,...
2 answers
clearly, a = -3
and d = 2
as always, a_n = a + (n-1)d
and d = 2
as always, a_n = a + (n-1)d
1 answer