Challenge: Slope Formula   Find the slope of the line that contains the points (-1, 2) and (5, 5).   Write an expression for…

Challenge: Slope Formula

1. Find the slope of the line that contains the points (-1, 2) and (5, 5).

Write an expression for the slope of the line that contains the given points.

1. (a, 0) and (0, b)                  3.   (2x, y,) and (x, 3y)                    4.   (x, y) and (x+2, 3-y)

Find the value of x so that the points lie on a line with the given slope.

1. (x, 2) and (–5, 8), m= -1                                6.    (4, x) and (6, 3x), m=12

1. (1, -3), and (3, x), m= -1                              8.    (–10,–4) and (x, x), m=17

1. A line contains the point (1, 2) and has a slope of 12. What is another point on the line?

1. The points (–2, 4), (0, 2) and (3, x – 1) all lie on the same line.

1. Find the slope of the line.

2. What is the value of x?