Answer:
9: -2
10: 1/2
11: 6, (0,-5)
12: -1/4, (0,-3)
Step-by-step explanation:
slope: Its the rise (how much the point goes up or down) from left to right of the two points, divided by the run (how much the point moves to the left or right)
y- intercept: the point where the line touches the y-axis
