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Is -9 an rational number?
Yes. All positive and negative integers are rational numbers.
Is 4.5 irrational?
4.5 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
What set of numbers does a positive fraction belong to?
Rational positive numbers
Is 25 a rational number?
Yes - all whole numbers are rational numbers.
Are rational numbers always integers?
Most of the time yes, positive or negative whole numbers count as rational numbers. So do positive or negative fractions.
Are all negative numbers are rational?
No, not all negative numbers are rational. There are many negative numbers that are irrational, just like the positive numbers.
Is -9 an rational number?
Yes. All positive and negative integers are rational numbers.
Are positive numbers rational numbers?
Not necessarily. +sqrt(2) is positive but not rational.
Can rational numbers not be negative?
Rational numbers can be negative or positive.
Is 4.5 irrational?
4.5 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
What is a rational number whose opposite and absolute value are the same?
They are all non-positive rational numbers.
Is positive integers are rational numbers or irrational?
Rational.
What set of numbers does a positive fraction belong to?
Rational positive numbers
Is a positive number a rational or irrational number?
Positive numbers can be either rational or irrational.
Is the ratio of two rational numbers always positive?
No; depends on the signs of the rational numbers.
Is positive rational numbers a subset of whole numbers?
No.
Is 25 a rational number?
Yes - all whole numbers are rational numbers.
