Answer:
1/ Point slope form is more efficient for determining the Slope
2/ Standard form is more efficient for determining x-intercept and
y-intercept
3/ If you want to use your calculator to graph an equation, the Point slope form is more efficient
Explanation:
1/ I say point slope form because the slope in this form is a point on the line, and he if knows the point on the graph and slope, he can graph the line easily.
2/ I say standard form because x and y intercepts of a graph, that is, the point where the graph crosses the x-axis and the point where it crosses the y -axis. So, it is the easiest form to find the x and y intercepts.
3/ If he knows a point and the slope he can graph it easily.