7-1 Zero and Negative Exponents

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Presentation transcript:

7-1 Zero and Negative Exponents

Use your calculator to complete the following table keeping answers as positive powers of 2. FRACTION In General: is the of . RECIPROCAL

Negative Exponent Property: For any nonzero numbers b and all n, Zero Exponent Property: For any nonzero number a,

Examples: 1.) Write each as a simple fraction without negative exponents.

Examples: 2.) Write each fraction as a power of an integer.

Examples: 3.) Simplify each of the following.

Simplifying Exponential Expressions: An algebraic expression is in simplest form when powers with a variable base are written with only exponents. POSITIVE Rewrite the following using only positive exponents:

Evaluating an Exponential Expression: Simplify the exponential expression substituting the values for the variables. BEFORE Evaluate each expression for a = 2 and b = -4

Homework: Sect. 7.1 p. 446-447 #’s 10-44 even