Mathematics: Real Numbers

Which of the following numbers is a rational number?

• -3, 0, 1/2, 2.5

• π

• √2

• -3.5

Which of the following numbers is an irrational number?

• e

• 1/2

Which property of real numbers is demonstrated by the equation: (a + b) + c = a + (b + c)?

• Commutative property of addition

• Distributive property of addition

• Associative property of addition

• Identity property of addition

Which property of real numbers is demonstrated by the equation: a * (b + c) = a * b + a * c?

• Identity Property

• Commutative Property

• Distributive Property

• Associative Property

Which property of real numbers is demonstrated by the equation: a * b = b * a?

• Commutative property of multiplication

• Distributive property of multiplication

• Associative property of multiplication

• Identity property of multiplication

Which property of real numbers is demonstrated by the equation: a * 1 = a?

• Associative Property

• Additive Identity Property

• Distributive Property

• Multiplicative Identity Property

Which of the following is a rational number?

• Any number that can be expressed as a fraction

• Any number that is an irrational number

• Any number that is an imaginary number

• Any number that cannot be expressed as a fraction

Which of the following is an irrational number?

• √2

• 0.5

• 3.14

• pi (π)

Which of the following is an irrational number?

• pi (π)

• 0.5

• 3.14

• √2

Which of the following is a rational number?

• Any number that is an imaginary number

• Any number that is an irrational number

• Any number that cannot be expressed as a fraction

• Any number that can be expressed as a fraction