Intermediate Algebra – Student Workbook – Second Edition 2013

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

Lesson 5a - Introduction to Quadratic Functions Assessment 2. The function h( t) 16t 2 88t gives the height (in feet) of a golf ball after t seconds. Round answers to two decimal places as needed. All answers must include appropriate units of measure. a) Determine the maximum height of the ball. Show your work. Write your answer in a complete sentence. b) How long does it take for the ball to hit the ground? Show your work. Write your answer in a complete sentence. c) Identify the vertical intercept. Write it as an ordered pair and interpret its meaning in a complete sentence. d) Determine the practical domain of h(t). Use proper notation. e) Determine the practical range of h(t). Use proper notation. Scottsdale Community College Page 206 Intermediate Algebra
Lesson 5b – Solving Quadratic Equations In this lesson, we will continue our work with Quadratics in this lesson and will learn several methods for solving quadratic equations. The first section will introduce you to the types of solutions that can occur. You may remember in L5a that we worked with x-intercepts of a parabola. Turns out that if the given quadratic equation is in standard form, then those x-intercepts correspond to solutions for the equation. Graphing is the first method you will work with to solve quadratic equations followed by factoring and then the quadratic formula. You will get a tiny taste of something called Complex Numbers and then will finish up by putting all the solution methods together. Pay special attention to the problems you are working with and details such as signs and coefficients of variable terms. Extra attention to detail will pay off in this lesson. Lesson Objectives By the end of this lesson, you should be able to: 1. Determine the number and type of solutions to a QUADRATIC EQUATION by graphing 2. Identify solutions to QUADRATIC EQUATIONS in standard form as x-intercepts of the parabola 3. Solve QUADRATIC EQUATIONS by factoring (and check by graphing) 4. Solve QUADRATIC EQUATIONS using the QUADRATIC FORMULA 5. Identify members of the set of COMPLEX NUMBERS 6. Perform operations with COMPLEX NUMBERS Scottsdale Community College Page 207 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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Lesson 1b - Linear Equations In the
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Lesson 1b - Linear Equations Mini-L
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Lesson 1b - Linear Equations Practi
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Lesson 2a - Linear Functions and Ap
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Lesson 2b - Functions and Function
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Lesson 3a - Introduction to Exponen
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Lesson 3b - More Exponential Functi
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Lesson 4a - Introduction to Logarit
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Lesson 6a - Exponents and Rational
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Lesson 6a - Exponents and Rational
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Lesson 6b - Rational Exponents & Ra
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Lesson 6b - Rational Exponents and
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Appendix A: You Try Answers Lesson
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Appendix A: You Try Answers You Try
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Intermediate Algebra – Student Workbook – Second Edition 2013

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