Review Unit 7: 7-1 Functions: 1. Can you tell me what a function is? How do you know it’s a function? 2. Can you tell if a problem is a function from having coordinates, a table or a graph. a. Examples: 7-2 Linear Function: 1. What is a linear function? 2. Given a function can you substitute a number in a table and solve for coordinates? a. Example: 3. Can you graph coordinates, create a line? a. Example: 7-3 Rate of Change 1. What is rate of change? 2. Can you find the rate of change from a graph and a table? a. Examples? 3. Can you find rate of change from a story problem? a. Example: 4. Vocabulary: give a description and a drawing of each. a. Increase: b. Decrease: c. Zero d. Undefined 7-5 Slope 1. What is slope 2. Can you give two examples on how to find slope a. Examples? 3. Can you find slope from a story problem? a. What are the key words to the story problem. -6 Slope-Intercept Form 1. y = mx + b this is slope-intercept Form equation 2. Can you find the slope (m) and the intercept (b) of an equation? a. Example 3. Can you graph the equation using m and b? a. Example: 4. Can you do a word problem? a. Example: 7-7 Writing Linear Equations 1. Write an equation from (m) and (b) a. Example: 2. Write an equation in slope-intercept form for the line passing through each pair of points a. Example: (-2, -1) & (4, 2)