Fractions MCQs - Math Test 3

MCQ. Simplify (x - 9)(x + 10) ⁄ (x2 - 81)

  1. (x2 + x - 90) ⁄ (x2 - 81).
  2. (x + 10) ⁄ (x - 9).
  3. (x + 10) ⁄ (x + 9).
  4. None of above.

C

MCQ. Simplify (3x ⁄ 2y)(x ⁄ 3y)

  1. x ⁄ 2y.
  2. (3x2) ⁄ (2y2).
  3. x2 ⁄ (6y2).
  4. x2 ⁄ (2y2).

D

MCQ. Simplify (1 ⁄ (x2 - 1)) ÷ (1 ⁄ (x + 1))

  1. 1 ⁄ (x - 1).
  2. 1 ⁄ (x + 1).
  3. 1 ⁄ (x2 - 1).
  4. None of above.

A

MCQ. Simplify (1 ⁄ s) - (1 ⁄ t)

  1. (s - t) ⁄ st.
  2. (t - s) ⁄ st.
  3. 0.
  4. 1 ⁄ (s - t).

B

MCQ. Simplify (2 ⁄ tanA) + (4 ⁄ tanB)

  1. (2tanB + 4tanA) ⁄ tanAtanB.
  2. (2tanA + 4tanB) ⁄ tanAtanB.
  3. 6 ⁄ (tanA + tanB).
  4. None of above.

A

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