Arithmetic and Geometric Sequences

Front

Is this an Arithmetic sequence? 5, 4.25, 3.5, 2.75

Back

Yes

Front

Is this an arithmetic sequence? 91, 87, 84, 79

Back

No

Front

Is this an arithmetic sequence?
4, 7, 10, 13,...

Back

Yes

Front

Is this an Arithmetic sequence? x+3, x+6, x+9

Back

Yes

Front

What is the common difference? 1213, 1172, 1131, 1090

Back

-41

Front

Find the equation for the n^th term: 2, 7, 12, 17, 22,...

Back

Un=2+5(n-1)

Front

Find the equation for the n^th term: 32, 46, 60, 74, 88,...

Back

Un=32+14(n-1)

Front

Find u₂₅, given: u₁ = 5; d = 0.5

Back

17

Front

Find u₂₂, given the arithmetic sequence 3, 7.5, 12, 16.5

Back

97.5

Front

Find the first term of the sequence where u₁₄=68 and d=3.

Back

29