Study guide and intervention 4-1-3-2

9-4 Study Guide And Intervention - Kahn219.weebly.com chapter 9 24 glencoe algebra 1 9-4 study guide and intervention (continued) solving quadratic equations by factoring solve equations by factoring factoring and the zero product property can be used to solve equations that can be written as the product of any number of factors set equal to 0

Study Guide and Intervention PERIOD Trigonometric Functions on the Unit Circle Trigonometric Functions Of Any Angle The definitions of the six trigonometric functions may be extended to include any angle as shown below. Let 9 be any angle in standard position and point P(x, y) be a point on the terminal side of 9. Study Guide and Intervention (continued) Properties of Numbers Commutative and Associative Properties The Commutative and Associative Properties can be used to simplify expressions. The Commutative Properties state that the order in which you add or multiply numbers does not change their sum or product. The For any numbers a and b, + =! ! . 4-4 Study Guide and Intervention Parallel and Perpendicular Lines Parallel Lines Two nonvertical lines are parallel if they have the same slope. All vertical lines are parallel. Example: Write an equation in slope-intercept form for the line that passes through (-1, 6) and is parallel to the graph of y = 2x + 12. 4-1 Study Guide and Intervention (continued) Graphing Quadratic Functions Maximum and Minimum Values The y-coordinate of the vertex of a quadratic function is the maximum value or minimum value of the function. Maximum or Minimum Value of a Quadratic Function The graph of f(x) = 2ax + bx + c, where a ? 0, opens up and has a minimum when a > 0. Study Guide and Intervention (continued) Solving Compound and Absolute Value Inequalities 1-6 Absolute Value Inequalities Use the definition of absolute value to rewrite an absolute value inequality as a compound inequality. Study Guide and Intervention Points, Lines, and Planes NAME _____DATE _____PERIOD _____ 1-1