ALGEBRA 1 HONORS MIDTERM REFERENCE SHEET 2013 Unit 1: Rational and Irrational Numbers What is a rational number? Examples What is an irrational number? Examples Unit 2: Solving Equations and Inequalities – use inverse operations to find the value of the variable. Basic Equations Basic Inequalities Compound Inequalities Absolute Value Equations Absolute Value Inequalities Unit 3: Intro to Functions Types of functions Illustrations Domain and Range Increasing/Decreasing End Behavior Linear Quadratic Exponential Unit 4: Absolute Value Functions Example of a graph: Characteristics Transformations Shape: Flip Vertex: x-intercepts: End Behavior: Increasing or Decreasing: Shift Up or Down Shift Left or Right Widen or Narrow Unit 5: Graphing Linear Equations/Inequalities Slope intercept form Standard Form y mx b Ax By C Point Slope Form y y1 m( x x1 ) Unit 6: Systems of Linear Equations and Inequalities Solving systems by Graphing Solving systems by substitution Solving Systems of Inequalities Systems of Equations Word Problem Linear Inequalities When do you shade up or down? When is the line solid or dotted? Solving systems by linear combination Linear Programming Word Problem