Question 834429
{{{-sqrt(4)=-2}}} but it also equals {{{-sqrt(4)=-(-2)=2}}} since {{{(-2)(-2)=4}}}
For {{{x=-2}}}
Real - Yes
Integer - Yes, whole numbers plus negatives of whole numbers
Rational - Yes, it's the ratio of two integers (2 and -1 as an example).
Irrational - No, it's rational, can't be both.
Whole - No, whole numbers are non-negative.
For {{{x=2}}}
Real - Yes
Integer - Yes
Rational - Yes, it's the ratio of two integers (2 and 1 as an example).
Irrational - No, it's rational, can't be both.
Whole - Yes, whole numbers are non-negative.