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Hot X: Algebra Exposedby Danica McKellar
Synopses & Reviews
In her two bestselling books, Math Doesn't Suck and Kiss My Math, actress and math genius Danica McKellar shattered the "math nerd" stereotype by showing girls how to ace middle school math-and actually feel cool while doing it!
Sizzling with Danica's trademark sass and style, Hot X: Algebra Exposed tackles algebra: the most feared of all math classes and the most common roadblock to high school graduation. McKellar instantly puts her readers at ease, showing teenage girls-and anyone taking algebra-how to feel confident, get in the driver's seat, and master topics like square roots, polynomials, quadratic equations, word problems and more . . . without breaking a sweat (or a nail).
Danica provides illuminating, step-by-step math lessons combined with reader favorites like personality quizzes, popular doodles, real-life testimonials, and stories from her own life, so girls feel like she's sitting right next to them. As hundreds of thousands of girls already know, Danica's irreverent, light-hearted approach opens the door to higher grades and higher test scores. Now, with Hot X: Algebra Exposed, the scary veil of algebra is finally lifted, making it understandable, relevant and maybe even a little (gasp!) fun for girls.
"New York Times-" bestselling author McKellar tackles the toughest math class yet: algebra. She shows teenage girls--and anyone taking algebra--how to feel confident, get in the driver's seat, and master topics like square roots, polynomials, quadratic equations, word problems, and more.
Danica McKellar's New York Times bestseller tackles the most feared of all math classes: Algebra!
Algebra: The word alone has been known to strike fear in the hearts of even the best students, but help is here! With her two earlier books, actress and math genius Danica McKellar shattered the "math nerd" stereotype and empowered girls to conquer middle-school math and pre- algebra. Sizzling with McKellar's trademark sass and style, Hot X: Algebra Exposed now shows them how to master algebra topics like square roots, polynomials, quadratic equations, word problems, and more. In addition to fun extras like personality quizzes, reader polls, and boy-crazy confessionals, Hot X includes
?time-saving tips and tricks
?sample problems with detailed solutions
?relatable real-world examples
Parents and daughters alike will cheer McKellar as they watch their test scores rise!
About the Author
Danica McKellar, famous for her roles on The Wonder Years and The West Wing, is also an internationally recognized mathematician and advocate for math education. Her work has been recognized by Newsweek and USA Today, as well as on Good Morning America, The Today Show, NPR's Science Friday, and even in ABC's World News Tonight's "Person of the Week" feature.
Table of Contents
Acknowledgments vi Hot… X? xi FAQs: How to Use This Book xiii
PART 1: MEET THE VARIABLES
Chapter 2: Happy Birthday to Me
GCFs and LCMs with Variables
15 Chapter 3: Listen to Your Gut
Factoring with Variables
30 CONFESSIONAL: Are You Boy Crazy? ON THE COVER 39 Chapter 4: Meow Mix
Rational Expressions: Fractions with Variables in Them
42 Chapter 5: Eating Pizza in the Dark
Adding and Subtracting Fractions with Variables
57 QUIZ: Are You Bold or Shy? ON THE COVER 72
PART 2: SOLVING FOR X
Chapter 6: Your Holiday Shopping List
Strategies for Solving for X
76 Chapter 7: How Picky Are You?
Solving Equations with Absolute Value
91 Chapter 8: Control Freaks, Unite!
Solving Inequalities with Absolute Value
99 MOOD ZAPPER: Take Control of Your Feelings! 113
PART 3: FUNCTIONS, GRAPHING, AND SYSTEMS OF EQUATIONS
Chapter 9: Can You Keep a Secret?
Functions and Relations
116 Chapter 10: They’re Going Steady
Equations of Lines, and Graphing Lines and Linear Inequalities
130 Chapter 11: Mystery Woman
Writing Equations for Lines, Including Parallel/Perpendicular Lines
147 Chapter 12: Little Miss People Pleaser
Solving and Graphing Systems of Linear Equations
164 CONFESSIONAL: Dumbing Ourselves Down—the Sequel! 182
PART 4: WORD PROBLEMS
Chapter 13: The Guy of Your Dreams
Motion Problems: Using r . t = d
184 Chapter 14: Dip in the Pool, Anyone?
Rate of Work Problems
198 Chapter 15: Savvy Business Chick
Word Problems: Percents and Simple Interest
208 Chapter 16: The Perfect Party Snack
Word Problems Involving Mixtures
PART 5: EXPONENTS AND SQUARE ROOTS
Chapter 17: Ms. Exponent Gets Her Whip
The Product, Power, and Quotient Rules for Exponents
239 Chapter 18: Keep Your Day Job
Negative (and Zero) Exponents
257 Chapter 19: The Benefi ts of a Diary
Intro to Square Roots and Radical Expressions
273 CONFESSIONAL: How Can I Focus and Avoid Distractions? 291
PART 6: POLYNOMIALS
Chapter 20: Chocolates for Breakfast
Intro to Polynomials and Adding/Subtracting Them
294 Chapter 21: A Day at the Hair Salon
Multiplying Polynomials and the FOIL Method
309 Chapter 22: The Jewelry Dilemma
Factoring Trinomials with Reverse FOIL and Grouping
323 Chapter 23: Boyfriend or "Special" Friend
Factoring Special Polynomials
343 QUIZ: Take Control of Your Feelings! 348
PART 7: QUADRATIC EQUATIONS
Chapter 24: Puppies, Please?
Solving Quadratic Equations by Factoring
353 Chapter 25: The Lemonade Stand
Solving Quadratic Equations by Completing the Square
369 Chapter 26: What You Can Learn at the Mall
Using the Quadratic Formula
A Final Word 397 Appendix 398 Answer Key 402 Index 413 About the Author 418
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