What is the value of x ?
1 answer:
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Irrational numbers never end and they never repeat. They can never be written as a fraction. An example of an irrational number is pi.
Rational numbers can be written as fractions; when written as decimals they either end or repeat in a pattern. An example of a rational number is 9.
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Let's start on the left box:
= 4, so it is rational.
1/2 is a fraction, so it is rational.
. is repeating, so it is rational.
-10 is a whole number, so it is rational.
5 is a whole number, so it is rational.
= 4.24264... so it is NOT rational.
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Moving on to the right box:
= 4.4721... so it is irrational.
3 1/4 is a fraction, so it is NOT irrational.
.12345... is never ending and unrepeating, so it is irrational.
25 is a whole number, so it is NOT irrational.
5.55555... is repeating, so it is NOT irrational.
= 1, so it is NOT irrational.