Which expression is identical to (x - 1)^2 + 9?

  1. x^2-2x+10
  2. x^2-x+10
  3. x^2-2x+8
  4. x^2+2x+10
Answer

A) x^2-2x+10

(x - 1)^2 + 9 = x^2 - 2x + 1 + 9 = x^2-2x+10, so LHS = RHS. SLO M-09-B-15 · Knowledge

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