# College Algebra Lecture 2: SET OF REAL NUMBERS

May 29th, 2015
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PROPERTIES OF EQUALITY or EQUIVALENCE RELATION-EQUALITY is REFLEXIVE If a is a real number, then a = a. 3 =3 and 4 = 4 EQUALITY is SYMMETRIC.If a and b are real numbers, then a = b and b = a Example: If A = bh, then bh = A

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College Algebra Lectures:Chapter R:Real NumbersRational Numbers- they are numbers which can be expressed in the form p/q where p and q are integers and q0.Examples: a.)

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