Hello, marlene!

What are we given?

Results 1 to 3 of 3

- December 18th 2012, 09:34 PM #1

- Joined
- Dec 2012
- From
- canada
- Posts
- 1

- December 18th 2012, 09:47 PM #2

- Joined
- May 2006
- From
- Lexington, MA (USA)
- Posts
- 11,997
- Thanks
- 820

- December 19th 2012, 02:12 PM #3

- Joined
- Apr 2005
- Posts
- 16,884
- Thanks
- 1979

## Re: tan ?

If you are given two points and , then the slope of the line through those two points is given by . If you are given an equation, say Ax+ By= C, you can solve for y, getting and the slope is .

Those formulas are given in any Calculus text aren't they?