Review Chapter 12 No graphing calculator! Name:__________________________________ 1. Given the table, draw a graph, write linear equation, give the slope, and the y-intercept. TABLE X -2 -1 0 1 2 2. Given the graph, fill in the table, write the equation, give the slope, and the y-intercept. GRAPH TABLE GRAPH X Y Y 4 1 -2 -5 -8 -2 -1 0 1 2 EQUATION EQUATION SLOPE: Y-Intercept: SLOPE: 3. Given the equation find the y - intercept, slope fill in the table, and graph the line. TABLE GRAPH X -2 -1 0 1 2 Y-Intercept: X- Intercept: 4. Does the table below represent a linear relationship?____ Explain why or why not__________________________ __________________________________________ x y Y 0 11 1 9 3 5 4 3 6 -1 8 -5 If linear, what is the slope? _____________ EQUATION Y = 2x -8 Slope: Y-Intercept: 5. Find the equation of the line through (2,3) and (-4, 7) 6. At the Lynnwood Golf Range it costs $2 to rent a golf club and it cost $3 for each bucket of balls. Write an equation that represents the situation where C is the total cost and B is the number of buckets of balls. 7. What is the y-intercept of the above situation? ______ What does the y-intercept represent in the situation? 8. What is the slope of the situation? ______ What does the slope represent in the situation? 9. Given the table, draw a graph, write linear equation, give the slope, and the y-intercept. 10. Given the graph, fill in the table, write the equation, give the slope, and the y-intercept. TABLE TABLE X -2 -1 0 1 2 GRAPH GRAPH X Y Y 10 7 4 1 -2 -2 -1 0 1 2 EQUATION EQUATION SLOPE: Y-Intercept: SLOPE: 11. Given the equation find the slope, y-intercept, and complete the table and graph. TABLE GRAPH X -2 -1 0 1 2 Y-Intercept: 12. Does the table below represent a linear relationship?____ Explain why or why not__________________________ _______________________________________________ _______________________________________________ Y x y -2 2 -1 4 0 6 2 8 3 10 4 12 If Linear, identify the slope: ____________ EQUATION Y = 4 – 2x X - Intercept: Y-Intercept: Slope: 13. Find the equation of the line through (3, 4) and (-2, -6). 14. At the Ford dealership, Burt makes $20,000 a year plus $250 for each car he sells. Write an equation for this situation with “I” representing his total income and “c” standing for the number of cars he sells (his commission). 15. What is the slope of the above situation? ______ What does the slope represent in the situation? 16. What is the y-intercept of the above situation? ______ What does the y-intercept represent in the situation?