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anonymous
 one year ago
Which of the following is a rational number?
square root 97square root 98, square root 99, square root 100
square root 97 square root 98 square root 99 square root 100
anonymous
 one year ago
Which of the following is a rational number? square root 97square root 98, square root 99, square root 100 square root 97 square root 98 square root 99 square root 100

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UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.3a rational number can be expressed as a fraction an irritation number can't be expressed as a fraction

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.3examples of rational numbers \[\LARGE \frac{1}{2}, \frac{3}{1}\] Examples of irrational numbers \[\LARGE \pi, e, \sqrt{3}\]

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.3let's start with the last one. what is the square root of 100?

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.3yay so that's a rational number. I can express that as a fraction which is \[\large \frac{10}{1} \]

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.3I don't think there are any more choices for rational numbers... 97 is a prime number and that's in a square root . that's irrational

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.3and even if we did simplify the square root of 98 and 99, we will still have a square root left order...

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so 97s the awnser @UsukiDoll

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.3no for 2 reasons 97 is a prime number 97 is inside the square root and can't be expressed as a fraction .

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.3but not all square roots are irrational ... so we need to be careful on this. if we are left with a square root that can be simplified further .. it becomes rational

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.3for example \[\LARGE \sqrt{2}\] is irrational but \[\LARGE \sqrt{4}=2\] is rational

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.3there could be some more rational numbers lurking

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.3dw:1438236905176:dw take the square root of 49 and square root of 9

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.3even if I do take those square roots, I still have something left over and they are irrational.

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.3dw:1438237057661:dw I can't express these as fractions ... so again they are in the irrational group

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.3but for the last one which is square root of 100 I can express it as a fraction, so that's the rational number we are looking for dw:1438237176763:dw

sepeario
 one year ago
Best ResponseYou've already chosen the best response.0* a rational number can be expressed as a fraction of two whole numbers.
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