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Mathematics

10th -

12thgrade

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Rationalizing Denominators

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15 questions

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  • 1. Multiple Choice
    5 minutes
    1 pt

    Rationalize the denominator:
     523\frac{\sqrt{5}}{2\sqrt{3}}  

     156\frac{\sqrt{15}}{6}  

     1518\frac{\sqrt{15}}{18}  

     536\frac{5\sqrt{3}}{6}  

     5318\frac{5\sqrt{3}}{18}  

  • 2. Multiple Choice
    5 minutes
    1 pt

    What is the conjugate of:
     5+75+\sqrt{7}  

    18

     5+75+\sqrt{7}  

     575-\sqrt{7}  

    32

  • 3. Multiple Choice
    5 minutes
    1 pt

    Rationalize the denominator:
     2812\frac{2\sqrt{8}}{\sqrt{12}}  

     966\frac{\sqrt{96}}{6}  

     263\frac{2\sqrt{6}}{3}  

     29612\frac{2\sqrt{96}}{12}  

     4223\frac{4\sqrt{2}}{2\sqrt{3}}  

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