Intermediate Algebra – Student Workbook – Second Edition 2013

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$Lesson 2a – Assessment - Scottsdale Community College - Math Blog$

Lesson 6b - Rational Exponents and Radical Functions Mini-Lesson Problem 6 MEDIA EXAMPLE – KEY CHARACTERISTICS OF RADICAL FUNCTIONS For each of the following, determine the domain, x-intercept, and y-intercept, then sketch an accurate graph of each. a) f ( x) 4 x Domain of f (x) : b) g ( x) x 4 Domain of g (x) : x-intercept: x-intercept: y-intercept: y-intercept: Problem 7 YOU TRY – KEY CHARACTERISTICS OF RADICAL FUNCTIONS Given the function f ( x) 12 4x , determine the domain, the x-intercept, the y-intercept (if it exists), and draw an accurate graph of the function. Domain of f (x) : x-intercept: y-intercept: Scottsdale Community College Page 270 Intermediate Algebra
Lesson 6b - Rational Exponents and Radical Functions Mini-Lesson SOLVE RADICAL EQUATIONS BY GRAPHING Let y1 = one side of the equation Let y2 = other side of the equation Determine an appropriate window to see important parts of the graph Use the intersection method The x-value(s) of the intersection are your solutions Note: If your graphs do not cross, then there is no intersection and no solution to the equation. Problem 8 WORKED EXAMPLE – SOLVE RADICAL EQUATIONS BY GRAPHING Solve the equation 10 3x 4 graphically. Let Y1 = 10 3x Let Y2 = 4 Graph on the standard window (Zoom:6) then determine the intersection (seen below). Your solution is the x-value of the intersection which in this case is x = –2. Problem 9 MEDIA EXAMPLE – SOLVE RADICAL EQUATIONS BY GRAPHING Solve the equation 2x 1 5 0 graphically. Scottsdale Community College Page 271 Intermediate Algebra
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Scottsdale Community College Interm
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Table of Contents Lesson 1a - Intro
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Lesson 1a - Introduction to Functio
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Intermediate Algebra – Student Workbook – Second Edition 2013

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