allie_bear22
assuming x > 0 what is the simplified fraction form for 5x sqrt 3/ sqrt 48x^2?



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allie_bear22
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@Luigi0210

Luigi0210
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\[\frac{ 5x \sqrt{3} }{ \sqrt{48} x^2 }\]
Is this what you mean?

allie_bear22
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yea

Luigi0210
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First we need to simplify the bottom radical, can you think of any factors of 48?

allie_bear22
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2

Luigi0210
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any factors that involve a 3?

Luigi0210
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dw:1369417374702:dw

allie_bear22
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3*16=48

Luigi0210
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Yup, now are any of those a perfect square?

allie_bear22
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i dont kno what tht means

Luigi0210
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Like are any multiplied by the sane number.. such as 1*1=1, 5*5=25, 6*6=36, etc

allie_bear22
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oh then yes

Luigi0210
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which would that be?

allie_bear22
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wait there isnt

Luigi0210
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actually there is.. the 16? 4*4=16

allie_bear22
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oh kk

Luigi0210
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Okay now what you would do is bring that out and rearrange the variables to match updw:1369417838943:dw

Luigi0210
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Now you can simplify it down and that's your answer

allie_bear22
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47. 5 sqrt x/4x

allie_bear22
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@Luigi0210

Luigi0210
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Or 5/4x

allie_bear22
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can u help me with 1 more?

Luigi0210
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Sure

allie_bear22
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which of these graphs show the quadratic function y=2x^2+8x+7?

allie_bear22
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allie_bear22
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@Luigi0210

Luigi0210
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I'd say it's graph B

allie_bear22
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omg
thnk you soo much

Luigi0210
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No prob