Question

How do you write the point slope form of the equation given m=-9 and (8,9)?

Answer 1

See the solution process below:

Explanation:

The point-slope formula states: `(y - color(red)(y_1)) = color(blue)(m)(x - color(red)(x_1))`

Where `color(blue)(m)` is the slope and `color(red)(((x_1, y_1)))` is a point the line passes through. Substituting the values from the problem gives:

`(y - color(red)(9)) = color(blue)(-9)(x - color(red)(8))`