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Nonlinear Equations in One Variable and Systems of Equations

SAT Math· difficulty 2/5

Solve x2−10x+25=0x^2 - 10x + 25 = 0.

  • A

    x=5,25x = 5, 25

  • B

    x=−5x = -5 only

  • C

    x=5x = 5 only

    check_circle
  • D

    x=±5x = \pm 5

Explanation

(x−5)2=0(x-5)^2 = 0, double root at x=5x = 5.

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