Digital PSAT Math Practice Question 31: Answer and Explanation

Question: 31

is equivalent to which of the following?

  • A.
  • B.
  • C.
  • D.

Correct Answer: A

Explanation:

(A) Simplify the expression:

Cancel the n2 terms on the outside:

Flip the fraction so it has a positive exponent:

Square both the numerator and the denominator and simplify:

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