Mathematics

10th -

12thgrade

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Factoring Sum of squares

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5 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Factor the expression

     x2+81x^2+81  

     (x+9)(x9)\left(x+9\right)\left(x-9\right)  

     (x+9i)(x9i)\left(x+9i\right)\left(x-9i\right)  

     (x+9)2\left(x+9\right)^2  

     (x9)2\left(x-9\right)^2  

  • 2. Multiple Choice
    1 minute
    1 pt

    Factor the expression

     16y2+4916y^2+49  

     16(y7)(y+7)16\left(y-7\right)\left(y+7\right)  

     16(y+7i)(y7i)16\left(y+7i\right)\left(y-7i\right)  

     (4y+7)(4y7)\left(4y+7\right)\left(4y-7\right)  

     (4y+7i)(4y7i)\left(4y+7i\right)\left(4y-7i\right)  

  • 3. Multiple Choice
    1 minute
    1 pt

    Factor the expression

     3x2+753x^2+75  

     3(x+5i)(x5i)3\left(x+5i\right)\left(x-5i\right)  

     3(x+5)(x5)3\left(x+5\right)\left(x-5\right)  

     3(x+5)23\left(x+5\right)^2  

     3(x5)23\left(x-5\right)^2  

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