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Evaluate 1/x^-2 for x = 7.
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Evaluate 1/x^-2 for x = 7.

User Adrien Cerdan
by
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2 Answers

1 vote
The negative exponent means you take the reciprocal, so it changes to x^2. Plug in 7, and you get 49
User Amit Chaurasia
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8.6k points
6 votes
1/x^-2 for x = 7
1/(7)^-2
1/(1/(7)^2)
1/(1/49)
49
User SimonRH
by
7.9k points
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