Straight Lines

What is the slope of a line passing through the points $(2, 3)$ and $(4, 7)$?...

What is the angle between two lines whose slopes are $m1 = 2$ and $m2 = 3$?...

If three points $(h, 0)$, $(a, b)$, and $(0, k)$ are collinear, then which of the followin...

What is the equation of the line passing through $(-4, 3)$ with a slope of $1/2$?...

What is the equation of the line that makes intercepts $-3$ and $2$ on the x-axis and y-ax...