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7th-9th gradeOther
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Qanda teacher - shashank
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search-thumbnail-Tovah solves the equation $\square 1aTex$ $ltac\left(1\right)\left(x+3\right)+lirac\left(2\right)\left(x\right)=ltrac\left(3\right)\left(x+3\right)$ $an0$ 
obtains $-1aTe\times $ $x\right):=-3:\right):x\left(:=1:0$ 
Determine if $21a$ $aTex:$ $x\right):=:-3$ $:or\left(:x\right):=0$ extraneous. Justify your answer. 
$On|yx=-3$ is extraneous and $x=0isa$ real solution. 
$○$ $Onbyx=0$ is extraneous and $x=-3is$ real solution. 
$○$ Both solutions are extraneous because when $x=-3$ and $x=0$ are substituted into the original 
equation, it makes a denominator equal to zero and you canhot divide by 0 (undefined). 
$○$ O Both $x=-3andx=0$ are real solutions. There are no extraneous roots.
10th-13th gradeAlgebra
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search-thumbnail-Which of the following rational numbers are 
A \frac{5}{6}, \frac{30}{36} 
B $s\sqrt{rac\left(} -2\right)\left(3\right)\sqrt{1rac} \sqrt{4\right)16\right)4} $ 
C $s\sqrt{11aC\left(} -4\right)1-7b,\sqrt{1rac\left(16\sqrt{35\right)9} } $ 
D \frac{1}{2},\frac{3}{8}
7th-9th gradeOther
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