What is the equation for the nth term of the arithmetic sequence. 28, 25, 22, 19, ....
1 answer:
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Answer:
C) ±8/5
Step-by-step explanation:
Both the numerator and the denominator are positive squares (8 is the square root of 64, and 5 is the square root of 25). Finding the square root of both the numerator and the denominator will yield the simplified fraction ±8/5.
Remember: the square roots of a positive square are always both positive and negative. The square root of is 2 (
) and -2 (
)