Algebra I Show ALL work!!! Review Chapter 4 Graphing (M) Name Class: 1. Δ is called ____________ and means _____________. 2. What are two formulas for calculating slope and when do you use each? Formula ____________ When to use_________________ Formula ____________ When to use_________________ 3. What is the x-intercept and y-intercept of the linear equation 4 x 8 y 24 ? x-intercept____________ y-intercept_________________ 4. Find the slope of the linear equation that passes through the points 1,5and 6,2 5. Find the slope of the linear equation that passes through the points 1,1and 12,8 6. Find the slope of the line represented by the table m = ______ x y 8 -2 8 8 8 8 8 -4 -6 -8 -10 -12 8. Find the slope of the line represented by the graph. m=__________ 7. Find the slope of the line represented by the table x y 3 -3 5 7 9 0 3 6 m = ___________ 9. Find the slope of the line represented by the graph. m=____________ 10. Find the slope of the line represented by the graph. m= _________ Compare to the parent function y = x : Match the function with the transformation from the parent function. Use each answer only once. 11. y = x - 3 12. y = 2 x 3 13. y = -x Word Bank Steeper Flatter Shifted Up Shifted Down Negative Direction 14. y = 8x 15. Graph the linear equation using the slope intercept form, identify the slope and y-intercept. 16. Graph the linear equation using the slope intercept form, Identify the slope and y-intercept. 17. Graph the linear equation using the slope intercept form, identify the slope and y-intercept [Hint: Solve for y] y 2 x 1 y x 4 6 x 2 y 10 m = ____ b = _____ m = ____ b = _____ m = ____ b = _____ 18. y = x 19. y 3 m = ____ b = _____ m = ____ b = _____ 20. If y varies directly with x and y = 3 when x = 21. What is y when x = 28?