Concept explainers
To evaluate the formula for the given sequence.
Explanation of Solution
Given information:
The sequence is -0.8, -0.5, -0.2, 0.1…
The function is
Formula used:
Athematic sequence formula,
Proof:
Substituting the value of
On solving,
The f(1) calculated from the formula is not equal to the first term on the sequence. Therefore, the given function is not the correct function for the equation.
The first term is -0.8
The common difference is,
Opening the brackets,
On solving,
Substituting the values in the arithmetic sequence formula,
Opening the brackets,
On solving,
Hence, the correct function to represent the sequence is,
Chapter ISG Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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