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Earn +20 ptsQ: Is 8 pied irrational
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Continue Learning about Other Math
Is the saquare root of 8 irrational?
Yes it is.
Is 3 divided by 8 is an irrational number?
0.375
Is 8 12 a rational number?
Yes?
Cannot be used to express the number 8?
An irrational number is one possible answer.
Give a proof that the square root of 8 is an irrational number?
sqrt(8) = sqrt(4*2) = 2*sqrt(2).Even without given that sqrt(2) is a rational, you can give that the square root of 2 starts converging onto the "Pythagoras Constant" eventually, as it takes an infinite amount of digits to square root an integer that is not perfectly squared.Thus, an rational x irrational = irrational, thus the sqrt(8) is irrational (an approximation is 2.8284271247...).
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