Asked by Anonymous
To which subset(s) does the number –square root of twenty belong? Choose all that apply.
(Irrational Numbers
(Rational Numbers***
(Integers***
(Whole Numbers
(Natural Numbers
The maximum of choices is 2
(Irrational Numbers
(Rational Numbers***
(Integers***
(Whole Numbers
(Natural Numbers
The maximum of choices is 2
Answers
Answered by
Anonymous
THINK
square root of 2 (about 1.414213562) can NOT be expressed as a ratio of two whole numbers
square root of ten can NOT be expressed as ratio of two whole numbers
THEREFORE
square root of two * square root of ten which is square root of twenty can NOT be expressed as the ratio of two whole numbers
THEREFORE
square root of twenty is IRRATIONAL
square root of 2 (about 1.414213562) can NOT be expressed as a ratio of two whole numbers
square root of ten can NOT be expressed as ratio of two whole numbers
THEREFORE
square root of two * square root of ten which is square root of twenty can NOT be expressed as the ratio of two whole numbers
THEREFORE
square root of twenty is IRRATIONAL
Answered by
Damon
2 sqrt 5 = sqrt 20
sqrt 5 = 2.236067977
IRRATIONAL
sqrt 5 = 2.236067977
IRRATIONAL
Answered by
Damon
http://www.dictionary.com/browse/irrational--number