Mathematics Grade 6 15 min

Convert an explicit formula to a recursive formula

Convert an explicit formula to a recursive formula

Tutorial Preview

1

Find a_1 and d for a_n = 3n + 2.

2

Find a_1 and d for a_n = -4n + 10.

3

Find a_1 and d for a_n = 5 - 2n.

Sample Practice Questions

Easy
Find the first term (a_1) and common difference (d) for the sequence a_n = 2n + 1.
0.a_1=3,d=2
1.a_1=1,d=2
2.a_1=3,d=1
3.a_1=2,d=3
Easy
Find a_1 and d for the sequence a_n = 4n + 5.
0.a_1=5,d=4
1.a_1=9,d=4
2.a_1=4,d=5
3.a_1=9,d=5
Easy
Find a_1 and d for the sequence a_n = n + 8.
0.a_1=8,d=1
1.a_1=9,d=8
2.a_1=9,d=1
3.a_1=1,d=8

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