section02examples

section02examples - MATH 110 BUSINESS CALCULUS CHAPTER 0...

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Unformatted text preview: MATH 110 BUSINESS CALCULUS CHAPTER 0 ALGEBRA REVIEW Section 0.2 Exponents and Radicals Review Exercises: 1. Evaluate the expressions. (a) ( −2 ) 3 −2 ⎛ −2 ⎞ (b) ⎜ 3 ⎟ ⎝⎠ (c) 3 ⋅ ( −2 ) 0 −3 −2 (d) 5 ⋅ 5 ⋅ 5 ⋅ 5 2 2 2. Simplify each expression, expressing your answer in rational form (i.e. with positive exponents). x 2 yz 2 (a) ( xyz −1 ) −1 ⎛ xy −2 ⎞ (b) ⎜ x 2 y −1 z ⎟ ⎝ ⎠ 3. Simplify the expressions, given that x, y, a, b, and c are positive real number. (a) ( ) 2 x+9 (b) 3 ( ) x 3 a 3 + b3 4. Convert the expressions to exponential form. (a) 3 x2 x (b) x 5. Convert the expressions to radical form. 45 (a) 3 3 − x −1 4 (b) 2 6. Solve each equation for a given variable, rounding your answer to four significant digits where necessary. 4 x2 − = 0 (a) 9 (b) x + 32 = 0 5 13 (c) x −2=0 ...
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This note was uploaded on 10/19/2011 for the course MATH 110 taught by Professor Staff during the Spring '11 term at S.F. State.

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