school
Acemy

Nonlinear Equations in One Variable and Systems of Equations

SAT Math· difficulty 4/5

Solve 2x2+5x+1=02x^2 + 5x + 1 = 0.

  • A

    x=−5±334x = \frac{-5 \pm \sqrt{33}}{4}

  • B

    x=−5±174x = \frac{-5 \pm \sqrt{17}}{4}

    check_circle
  • C

    x=−5±172x = \frac{-5 \pm \sqrt{17}}{2}

  • D

    x=5±174x = \frac{5 \pm \sqrt{17}}{4}

Explanation

x=−5±25−84=−5±174x = \frac{-5 \pm \sqrt{25-8}}{4} = \frac{-5 \pm \sqrt{17}}{4}.

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