Laws of Exponents by Dr. Terri

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Presentation transcript:

Laws of Exponents by Dr. Terri 5/18/99 Laws of Exponents by Dr. Terri

Laws of Exponents by Dr. Terri xpxq = x p + q = x p - q 5/18/99 Laws of Exponents by Dr. Terri

Laws of Exponents by Dr. Terri xy p = x p y p x p = x p y y p xp q = x pq 5/18/99 Laws of Exponents by Dr. Terri

Expressions with Exponents Given an expression with an exponent, such as x p x is called the base p is called the exponent Example: 34 base = 3, exponent = 4 34 = 3 · 3 · 3 · 3 = 81 5/18/99 Laws of Exponents by Dr. Terri

Laws of Exponents by Dr. Terri More Laws of Exponents x0 = 1 x  0 x - p = p > 0, x  0 x = or r 5/18/99 Laws of Exponents by Dr. Terri

Laws of Exponents by Dr. Terri Sample Problems Example 1: Example 3: (2xy4)2 = 4x2y8 = Example 2: Example 4: c-3 (c 4 + 3c3 - 5c) c + 3 - 5c-2 c + 3 - v v v 5/18/99 Laws of Exponents by Dr. Terri