Rational Functions: Negative Exponents

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What is the quotient of -8x^6/4x^-3?

Answer, D, -2x^9

Which expression is equivalent to (2^3)^-5?

Answer: A, 1/2^15

Which expression is equivalent to (3a)^-2?

Answer: A, 1/9a^2

Which expression is equivalent to (3^2)^-2

Answer: C, 1/81

Which expression is equivalent to 9^-2?

Answer: C, 1/81

What is the quotient of 7^-1/7^-2 ?

Answer: C, 7

Anja simplified the expression 10x^-5 /-5x^10 to 15/x^15. What mistake did Anja make?

Answer: C, She subtracted the coefficients instead of dividing them.

Describe how (2^3)(2^-4) can be simplified?

Answer: D, Add the exponents and keep the same base. Then find the reciprocal and change the sign of the exponent.

Describe how to simplify the expression 3^-6 /3^-4 ?

Answer: D, Keep the base the same and subtract the exponents.


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