school
Acemy

Nonlinear Equations in One Variable and Systems of Equations

SAT Math· difficulty 3/5

Solve 3x2−2x−1=03x^2 - 2x - 1 = 0.

  • A

    x=1,−1/3x = 1, -1/3

    check_circle
  • B

    x=−1,1/3x = -1, 1/3

  • C

    x=−1,−1/3x = -1, -1/3

  • D

    x=1,1/3x = 1, 1/3

Explanation

(3x+1)(x−1)=0(3x + 1)(x - 1) = 0, so x=1x = 1 or x=−1/3x = -1/3.

Want 10 more like this — adaptive to your weak spots?

Practice 10 like thisarrow_forwardPredict my AP score

Related questions

auto_awesomeAll Toolsquestion_answerHomework Q&Amenu_bookAP & SAT PreptimelineLearn Mode