Bri_Love
Consider the sequence 2, 6, 18, 54…
Let n = represent the term number in the sequence.
Let A(n) = the value of the nth term of the sequence.
4. What is the common ratio of the sequence?
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bookaholic
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sorry Im not good with patterns at all
ritez
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A(n) = a.r^n= 2.3^n
ratio r is= 6/2=18/6 = 3
Bri_Love
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Cool can you help me with 2 more?
ritez
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sure..say d qstn
Bri_Love
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5. Complete each statement
a. A(1) = 2 = 2 x 3^?
b. A(2) = 6 = 2 x 3 = 2 x 3^?
c. A(3) = 18 = 2 x 3 x 3 = 2 x 3^?
d. A(4) = 54 = 2 x 3 x 3 x 3 = 2 x 3^?
Here it is @ritez
ritez
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2
a. 0
b. 1
c. 2
d. 3
Bri_Love
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6. What is the relationship between the exponent and the base 3 and the value of n?
ritez
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is it the next question?
Bri_Love
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yes lol
Bri_Love
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Do you know it?
ritez
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i dont understand d qstn