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shayshayglee5
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What is one example of an irrational number and a rational number?
 one year ago
 one year ago
shayshayglee5 Group Title
What is one example of an irrational number and a rational number?
 one year ago
 one year ago

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FaisalAyaz Group TitleBest ResponseYou've already chosen the best response.0
A rational is a number which could be written in the form of p/q or fraction. For Example \[\sqrt{4}\] = 2 which is understood 4/1. So \[\sqrt{4}\] is a rational number and \[\sqrt{3}\] is an irrational number.
 one year ago

FaisalAyaz Group TitleBest ResponseYou've already chosen the best response.0
u got it?
 one year ago

ivanmlerner Group TitleBest ResponseYou've already chosen the best response.0
To prove that a number is irrational we usually assume it is rational and then prove it leads to a contradiction.
 one year ago

cwrw238 Group TitleBest ResponseYou've already chosen the best response.0
also a rational number can be written as a fraction e.g. 2/3 whereas an irrational cannot many square roots are irrational like sqrt2 , sqrt5, sqrt7
 one year ago

ivanmlerner Group TitleBest ResponseYou've already chosen the best response.0
Any squareroot of a prime is irational
 one year ago

cwrw238 Group TitleBest ResponseYou've already chosen the best response.0
right  also square root of some even numbers like 8, 12
 one year ago

ivanmlerner Group TitleBest ResponseYou've already chosen the best response.0
That you get by writing those numbers as a multiplication of primes: 8=2*2*2, 12=2*2*3 and what is left in the squareroot is a prime, therefore irrational
 one year ago
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