7 1 Integer Exponents Objectives Evaluate expressions containing
7 -1 Integer Exponents Objectives Evaluate expressions containing zero and integer exponents. Simplify expressions containing zero and integer exponents. Holt Algebra 1
7 -1 Integer Exponents Holt Algebra 1
7 -1 Integer Exponents When the exponent decreases by one, the value of the power is divided by 5. Continue the pattern of dividing by 5. Holt Algebra 1
7 -1 Integer Exponents Example 1: Application One cup is 2– 4 gallons. Simplify this expression. gal is equal to Holt Algebra 1
7 -1 Integer Exponents Example 2: Zero and Negative Exponents Simplify. A. 4– 3 B. 70 7º = 1 C. (– 5)– 4 D. – 5– 4 Holt Algebra 1 Any nonzero number raised to the zero power is 1.
7 -1 Integer Exponents Check It Out! Example 3 b Evaluate the expression for the given values of the variables. for a = – 2 and b = 6 Substitute – 2 for a and 6 for b. Evaluate expressions with exponents. 2 Holt Algebra 1 Write the power in the denominator as a product. Evaluate the powers in the product. Simplify.
7 -1 Integer Exponents What if you have an expression with a negative exponent in a denominator, such as ? or Definition of a negative exponent. Substitute – 8 for n. Simplify the exponent on the right side. An ifexpression that contains exponent negative or zero So a base with a negative is in a exponents is not denominator, it is considered equivalent to to be thesimplified. same base with Expressions be exponent rewritten with positive the opposite should (positive) in theonly numerator. exponents. Holt Algebra 1
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