Gateway A Version 2 All Things Linear Math 150S Name: Date: Score: Gateway A Version 2 Show all of your work. 1. Plot the following points: (-1.3, -) , (0.8,0), (0.2, -5), (0.5, -3), (1.4, - 2). - 2- -1.5 -0.5 1.5 -- 2-4 2. Label the following points as ordered pairs. -12 -10 m- Lars Kjeseth Page 1 6/10/14Gateway A Version 2 All Things Linear Math 150S 3. Plot the line whose slope is -5 and whose y-intercept is (0,140). -360 340 320 300 280 260 240 220 200 -12 10 12 4. Plot the line whose equation is L(x) = 20 + 5(x - 20). 20 10 12 14 16 18 22 Lars Kjeseth Page 2 6/10/14Gateway A Version 2 All Things Linear Math 150S 5. If the point (-4, -8) is on the graph of the function L(x) and the slope of the line is 15, what is the equation for the function L(x). 6. Using the graph of the function y = L(x) below, find the formula for the function L(x). -10- -10 Lars Kjeseth Page 3 6/10/14Gateway A Version 2 All Things Linear Math 150S For Problems 7 and 8, use the graph of the function y = f(x) to evaluate or solve, as appropriate. -30 -20 -10 10 20 30 -5- y=f(x) -10 7. -10 = f(x) 8. f(-18) For Problems 9 and 10, evaluate or solve as appropriate, using L(x) = 6 - 3(x - 2). 9. L(-10) 10. L(x) = 18 Lars Kjeseth Page 4 6/10/14