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Questions and Answers
Which set is denoted by R or $R$?
Which set is denoted by R or $R$?
- The set of imaginary numbers
- The set of irrational numbers
- The set of real numbers (correct)
- The set of rational numbers
What distinguishes real numbers from imaginary numbers?
What distinguishes real numbers from imaginary numbers?
- Their presence on the number line
- Their role in calculus
- The adjective 'real', used by René Descartes in the 17th century (correct)
- Their representation by infinite decimal expansion
What are irrational numbers?
What are irrational numbers?
- Numbers that are the root of a polynomial with integer coefficients
- Numbers that include the rational numbers
- Numbers that can be represented by an infinite decimal expansion
- Numbers that cannot be represented as a fraction (correct)
Which type of number includes the integer -5 and the fraction 4/3?
Which type of number includes the integer -5 and the fraction 4/3?
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How can real numbers be thought of geometrically?
How can real numbers be thought of geometrically?
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