Question
To show that arithmetic sequence formulas have the same structure as linear functions, choose the linear function equation that has the same structure as the arithmetic sequence an=6+(nā1)ā
8 .(1 point)
Responses
y=8xā2
y equals 8 x minus 2
y=2xā8
y equals 2 x minus 8
y=6x+8
y equals 6 x plus 8
y=8x+6
Responses
y=8xā2
y equals 8 x minus 2
y=2xā8
y equals 2 x minus 8
y=6x+8
y equals 6 x plus 8
y=8x+6
Answers
GPT-4o mini
To compare the arithmetic sequence formula \( a_n = 6 + (n - 1) \cdot 8 \) with a linear function, we can rewrite the arithmetic sequence formula in a more recognizable linear form.
Starting with:
\[
a_n = 6 + (n - 1) \cdot 8
\]
Distribute the 8:
\[
a_n = 6 + 8n - 8
\]
Combine like terms:
\[
a_n = 8n - 2
\]
Now, we can see that the arithmetic sequence can be represented as a linear function:
\[
y = 8x - 2
\]
Thus, the correct choice is:
\[
\text{y = 8x - 2}
\]
Starting with:
\[
a_n = 6 + (n - 1) \cdot 8
\]
Distribute the 8:
\[
a_n = 6 + 8n - 8
\]
Combine like terms:
\[
a_n = 8n - 2
\]
Now, we can see that the arithmetic sequence can be represented as a linear function:
\[
y = 8x - 2
\]
Thus, the correct choice is:
\[
\text{y = 8x - 2}
\]
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