Solving Quadratics with Complex Solutions
9 days ago
kpivanoff
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10 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    Solve By Factoring: 

     x24x5=0x^2-4x-5=0  

    answer choices

    5, -1

    1, -5

    -5, -1

    1, 5

  • Question 2
    30 seconds
    Q.

    Solve By Factoring:

     m22m=0m^2-2m=0  

    answer choices

    2

    0, -2 

    2, 0

    -2

  • Question 3
    30 seconds
    Q.

    Solve By Factoring:

     2n29n+9=02n^2-9n+9=0  

    answer choices

    -6, -3

     6, 36,\ 3  

     32, 3\frac{-3}{2},\ 3  

     32, 3\frac{3}{2},\ 3  

  • Question 4
    30 seconds
    Q.

    Solve By Square Roots:



     5m23=1275m^2-3=127  

    answer choices

     26\sqrt{26}  

    26

     ±26\pm\sqrt{26}  

     ±26\pm26  

  • Question 5
    30 seconds
    Q.

    Solve By Square Roots:

     49x2+3=749x^2+3=7  

    answer choices

     ±27\pm\frac{2}{7}  

     ±72\pm\frac{7}{2}  

     ±17\pm\frac{1}{7}  

     ±449\pm\frac{4}{49}  

  • Question 6
    30 seconds
    Q.

    Solve By Square Roots:

     5v2+2=55v^2+2=-5  

    answer choices

     ±75\pm\sqrt{\frac{7}{5}}  

     75\sqrt{\frac{7}{5}}  

     ±i75\pm i\sqrt{\frac{7}{5}}  

     ±i35\pm i\sqrt{\frac{3}{5}}  

  • Question 7
    30 seconds
    Q.

    Solve By Completing the Square:

     p210p52=0p^2-10p-52=0  

    answer choices

     5±775\pm\sqrt{77}  

     5±77-5\pm\sqrt{77}  

     5±775\pm77  

     5+i775+i\sqrt{77}  

  • Question 8
    30 seconds
    Q.

    Solve By Completing the Square:

     x2+6x+27=0x^2+6x+27=0  

    answer choices

     3±183\pm\sqrt{18}  

     3±i183\pm i\sqrt{18}  

     3±i18-3\pm i\sqrt{18}  

     3±18-3\pm\sqrt{18}  

  • Question 9
    30 seconds
    Q.

    Solve by the Quadratic Formula:

     9u211u+7=09u^2-11u+7=0  

    answer choices

     11±13118\frac{-11\pm\sqrt{131}}{18}  

     11±13118\frac{11\pm\sqrt{131}}{18}  

     11±13118\frac{11\pm\sqrt{131}}{-18}  

     11±i37318\frac{11\pm i\sqrt{373}}{18}  

  • Question 10
    30 seconds
    Q.

    Solve by the Quadratic Formula:

     12q2+3q+7=0-12q^2+3q+7=0  

    answer choices

     3±34524\frac{-3\pm\sqrt{345}}{24}  

     3±34524\frac{3\pm\sqrt{345}}{-24}  

     3±34524\frac{3\pm\sqrt{345}}{24}  

     3±i3924\frac{3\pm i\sqrt{39}}{24}  

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