Find the square root of 16x^2-56x+49.

  1. pm(4x-14)
  2. pm(16x+49)
  3. pm(4x-7)
  4. pm(4x+7)
Answer

C) pm(4x-7)

16x^2-56x+49 = (4x-7)^2, so the square root is pm(4x-7). SLO M-09-A-20 · Understanding

Mathematics MCQ · More Factorization MCQs · Practise