Podcast
Questions and Answers
What is the definition of a rational number?
What is the definition of a rational number?
- A whole number that is not a square or cube.
- A number that cannot be expressed as a fraction.
- A number that can be expressed as a ratio of two integers. (correct)
- A number that has a non-repeating, non-terminating decimal representation.
Which of the following is an example of an irrational number?
Which of the following is an example of an irrational number?
- 4/5
- 2.333...
- 10
- π (correct)
What is a perfect square?
What is a perfect square?
- The product of the same integer multiplied twice. (correct)
- The product of any two integers.
- The product of the same integer multiplied three times.
- A non-repeating, non-terminating decimal.
Which expression represents the area of a square with side length s?
Which expression represents the area of a square with side length s?
Which of the following statements about irrational numbers is false?
Which of the following statements about irrational numbers is false?
Flashcards
Rational Numbers
Rational Numbers
Numbers that can be written as a fraction (a/b), where a and b are integers and b is not zero.
Irrational Numbers
Irrational Numbers
Numbers that cannot be expressed as a fraction of two integers.
Perfect Squares
Perfect Squares
A number obtained by squaring an integer.
Perfect Cubes
Perfect Cubes
A number obtained by cubing an integer.
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Square Root
Square Root
The number that, when multiplied by itself, gives the original number.
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π (Pi)
π (Pi)
An irrational number approximately equal to 3.14159.
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Rational and Irrational Numbers
- To find the area of a square, multiply its sides (A = s²)
- Irrational numbers cannot be written as a fraction of two whole numbers
- Irrational numbers include non-repeating, non-terminating decimals
- Examples of irrational numbers include π and √2
- A perfect square is the product of an integer by itself
- The square root is the inverse operation of squaring a number
- A perfect cube is the product of the same integer multiplied by itself three times.
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