Mark Zegarelli - SAT Math For Dummies with Online Practice

11 Index

12 About the Author

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1 Chapter 1 TABLE 1-1 Easy, Medium, and Hard Questions

2 Chapter 2 TABLE 2-1 Squaring and Taking a Square Root (Radical) Are Inverse Operations TABLE 2-2 Expressions with 1, 2, 3, and 4 Terms TABLE 2-3 The Expression and Its Coefficients and Variables TABLE 2-4 Polynomials of Degree 1, 2, 3, and 4

3 Chapter 3TABLE 3-1 Difference of Squares FactoringTABLE 3-2 Difference of Squares Factoring

4 Chapter 4TABLE 4-1 Flipping Inequality Signs

5 Chapter 5TABLE 5-1 Tracking the Money in Your Bank AccountTABLE 5-2 Variety of Linear Functions and Three Coordinate Pairs for Each Functi...TABLE 5-3 Pairs of Negative Reciprocals

6 Chapter 6TABLE 6-1 Table for Solving a System of Equations Word ProblemTABLE 6-2 Systems of Equations with 0, 1, or Infinite Solutions

7 Chapter 7TABLE 7-1 Finding the Multiplier to Calculate Percent Increase and Percent Decre...

8 Chapter 8TABLE 8-1 A Two-Way Table for Probability Questions

9 Chapter 10TABLE 10-1 Notation for Combining FunctionsTABLE 10-2 Parent Functions for the First Four PolynomialsTABLE 10-3 Six Important Parent FunctionsTABLE 10-4 Distinguishing Vertical and Horizontal Transformations

10 Chapter 11TABLE 11-1 The Polynomials of Degrees 1 through 4TABLE 11-2 End Behavior of Polynomial Functions as and as

11 Chapter 12TABLE 12-1 Quadratic Trinomial Expressions as Equivalent Squares of BinomialsTABLE 12-2 Distinguishing x -Intercepts from Complex Roots

12 Chapter 13TABLE 13-1 Identities for Simplifying Exponential ExpressionsTABLE 13-2 Four Exponential Growth FunctionsTABLE 13-3 Four Exponential Decay Functions

13 Chapter 14TABLE 14-1 The 3–4–5 Triangle and Some MultiplesTABLE 14-2 The First Four Pythagorean Triples and Some MultiplesTABLE 14-3 Sine, cosine, and tangent of three common angles

14 Chapter 15TABLE 15-1 Multiplying a Complex Number and Its Conjugate Always Results in a Re...

1 Chapter 1FIGURE 1-1: The Reference list of formulas for the SAT.

2 Chapter 2FIGURE 2-1: Radicals on the number line.FIGURE 2-2: The xy -plane.FIGURE 2-3: Plotting four points on the xy -plane: , , , and .FIGURE 2-4: Plotting the graph of the equation .

3 Chapter 5FIGURE 5-1: A graph of the function on the xy -plane.

4 Chapter 6FIGURE 6-1: A system of linear equations with two intersecting lines has exactl...FIGURE 6-2: A system of linear equations with two parallel lines has no solutio...FIGURE 6-3: A system of linear equations with two overlapping lines has infinit...

5 Chapter 8FIGURE 8-1: The set of scores for an SAT Math Test display a normal distributio...

6 Chapter 10FIGURE 10-1: Parent functions for the four polynomials from degree 1 to degree ...FIGURE 10-2: Graphs of six parent functions.FIGURE 10-3: Vertical transformations of three functions.FIGURE 10-4: Horizontal transformations of three functions.FIGURE 10-5: Positive stretch and compress transformations of the function .FIGURE 10-6: Negative stretch/compress/reflect transformations of the function

7 Chapter 11FIGURE 11-1: Graphs of the parent functions of polynomials of degrees 1 through...FIGURE 11-2: Comparing cross-through and bounce intercepts.

8 Chapter 12FIGURE 12-1: Positive quadratic functions are concave up and have a minimum val...FIGURE 12-2: The constant ( c ) term of a quadratic function tells you the y -inte...FIGURE 12-3: Two vertical transformations of .FIGURE 12-4: Two horizontal transformations of .FIGURE 12-5: Two combinations of vertical and horizontal transformations of .FIGURE 12-6: Two positive stretch-compress transformations of .FIGURE 12-7: Two negative stretch-compress-reflect transformations of .FIGURE 12-8: Quadratic functions with 2, 1, and no x -intercepts.

9 Chapter 13FIGURE 13-1: Exponential growth and decay functions.FIGURE 13-2: The parent radical function .

10 Chapter 14FIGURE 14-1: Vertical angles are equal to each other; linear pairs add up to ....FIGURE 14-2: Corresponding angles are equal to each other. FIGURE 14-3: Constructing the two special right triangles from a square and an ...FIGURE 14-4: A right triangle with sides of 1, 1, and . FIGURE 14-5: A right triangle with sides of 1, , and 2. FIGURE 14-6: The opposite side, adjacent side, and hypotenuse side of a right t...FIGURE 14-7: The 3–4–5 right triangle. FIGURE 14-8: The and right triangles. FIGURE 14-9: Understanding the trig identity . FIGURE 14-10: The unit circle.