Straight Lines

What is the slope of the line passing through the points A(2, 3) and B(5, 11)?

Find the equation of the line passing through the point (1, 2) and having slope 3.

If a line has equation 2x - 3y + 6 = 0, what is its slope?

Two lines are perpendicular if the product of their slopes is:

Find the distance between the points (3, 4) and (7, 1) which lie on the line segment.

Find the equation of the line passing through (2, -3) and perpendicular to the line 3x + 4y - 7 = 0.

The line passing through the intersection of lines x + y - 2 = 0 and 2x - y + 3 = 0 and parallel to x - 2y + 5 = 0 is:

If the line 3x + ky - 7 = 0 is parallel to 6x + 2y - 4 = 0, find k.

Find the point on the line 2x - 3y + 6 = 0 which is closest to the origin.

If the line passes through (1, 2) and its intercept on the y-axis is 4, find its equation.