1. what is the vertex of y-3=-(x+2)^2 a. (3,-2) b. (2,-3) c. (-2,3) d. (-3,2) 2. what are the x-intercepts for the graph of y=3(x-2)(x+6)? a) (-2,0) and (6,0) b) (0,-1) and (0,6) c) (0,1) and (0,-6) d) (2,0) and (-6,0) 3. what is the vertex of the graph of this function ? y=-(x-1)(x+3) a. (-1,4) b. (2,5) c. (1,-3) d. (-2,-3) 4. the point (1,0) lies on the graph of the function y=2x^2-x-6. true false