school
Acemy

Nonlinear Equations in One Variable and Systems of Equations

SAT Math· difficulty 3/5

Solve (2x+1)2=25(2x+1)^2 = 25.

  • A

    x=2,−3x = 2, -3

    check_circle
  • B

    x=−3x = -3 only

  • C

    x=12,−13x = 12, -13

  • D

    x=2x = 2 only

Explanation

2x+1=±52x + 1 = \pm 5. So 2x=42x = 4 or 2x=−62x = -6: x=2x = 2 or x=−3x = -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