Slope
If a graph is going down from left to right; is the slope positive, negative, zero or undefined?
What is negative
If a graph is going up from left to right; is the slope positive, negative, zero or undefined?
what is positive
The equation y=2x + 3, at what point does the line cross the y-axis?
(0 , 3)
The line y = 3x + 6, at what point does it cross the x-axis.
(-2 , 0)