Flashcards on Rational Numbers

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What is a rational number?

A rational number is a number that can be expressed as the quotient or fraction p/q of two integers, with the denominator q not equal to zero.

Is 0 a rational number?

Yes, 0 is a rational number because it can be expressed as 0/1 or 0/3 or 0/any non-zero integer.

What is an irrational number?

An irrational number is a number that cannot be expressed as a fraction of two integers. Examples include square roots of non-perfect squares.

What is the difference between a rational number and an irrational number?

A rational number can be expressed as a quotient or fraction of two integers, while an irrational number cannot be expressed as a fraction. Irrational numbers are non-repeating, non-terminating decimals.

Is every integer a rational number?

Yes, every integer can be expressed as a quotient or fraction of two integers with the denominator being 1. Therefore, every integer is a rational number.

Is every rational number an integer?

No, not every rational number is an integer. Rational numbers include fractions, which are not integers.

Is 1/0 a rational number?

No, 1/0 is not a rational number because division by zero is undefined.

What is the symbol for rational numbers?

The symbol for rational numbers is Q.

What is the opposite of a rational number?

The opposite of a rational number is also a rational number.

What is the absolute value of a rational number?

The absolute value of a rational number is always a non-negative rational number.

Is pi a rational number?

No, pi is not a rational number. It is an irrational number that cannot be expressed as a fraction of two integers.

What is the decimal representation of a rational number?

A rational number can either be a terminating decimal (where the decimal digits stop after a certain point) or a repeating decimal (where the same sequence of digits repeats forever).

What is the greatest common factor (GCF) of two rational numbers?

The greatest common factor (GCF) of two rational numbers is the largest positive integer that divides both the numerator and denominator of each fraction.

What is the least common multiple (LCM) of two rational numbers?

The least common multiple (LCM) of two rational numbers is the smallest positive integer that is a multiple of both the numerator and denominator of each fraction.

What is the product of two rational numbers?

To multiply two rational numbers, you can multiply the numerators and denominators separately and then simplify the resulting fraction.

What is a rational number?

A rational number is a number that can be expressed as the quotient or fraction p/q of two integers, with the denominator q not equal to zero.

Is 0 a rational number?

Yes, 0 is a rational number because it can be expressed as 0/1 or 0/3 or 0/any non-zero integer.

What is an irrational number?

An irrational number is a number that cannot be expressed as a fraction of two integers. Examples include square roots of non-perfect squares.

What is the difference between a rational number and an irrational number?

A rational number can be expressed as a quotient or fraction of two integers, while an irrational number cannot be expressed as a fraction. Irrational numbers are non-repeating, non-terminating decimals.

Is every integer a rational number?

Yes, every integer can be expressed as a quotient or fraction of two integers with the denominator being 1. Therefore, every integer is a rational number.

Is every rational number an integer?

No, not every rational number is an integer. Rational numbers include fractions, which are not integers.

Is 1/0 a rational number?

No, 1/0 is not a rational number because division by zero is undefined.

What is the symbol for rational numbers?

The symbol for rational numbers is Q.

What is the opposite of a rational number?

The opposite of a rational number is also a rational number.

What is the absolute value of a rational number?

The absolute value of a rational number is always a non-negative rational number.

Is pi a rational number?

No, pi is not a rational number. It is an irrational number that cannot be expressed as a fraction of two integers.

What is the decimal representation of a rational number?

A rational number can either be a terminating decimal (where the decimal digits stop after a certain point) or a repeating decimal (where the same sequence of digits repeats forever).

What is the greatest common factor (GCF) of two rational numbers?

The greatest common factor (GCF) of two rational numbers is the largest positive integer that divides both the numerator and denominator of each fraction.

What is the least common multiple (LCM) of two rational numbers?

The least common multiple (LCM) of two rational numbers is the smallest positive integer that is a multiple of both the numerator and denominator of each fraction.

What is the product of two rational numbers?

To multiply two rational numbers, you can multiply the numerators and denominators separately and then simplify the resulting fraction.

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