Arithmetic Sequences Answers
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1
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Which of these sequences are arithmetic? Check all that apply.
A
–5, –3, 3, 13, 27, .B
Option
C
7, 14, 28, 56, 112, . . .D
27, 40, 53, 66, 79, . . .E
1, 2, 4, 8, . . .2
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Use the explicit formula to find a1.a1 =
A
3.9B
1.5C
1.2D
13
What is the explicit formula for the arithmetic sequence?
A
an = 1.2 + (n – 1)1.5B
an = 1.5 + (n – 1)1.2C
an = 1.5 + (n – 1)3.9D
an = 3.9 + (n – 1)1.5Did you find these answers helpful?
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