Hello, marlene!

What are we given?

Results 1 to 3 of 3

- Dec 18th 2012, 10:34 PM #1

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

- Dec 18th 2012, 10:47 PM #2

- Joined
- May 2006
- From
- Lexington, MA (USA)
- Posts
- 12,028
- Thanks
- 846

- Dec 19th 2012, 03:12 PM #3

- Joined
- Apr 2005
- Posts
- 18,459
- Thanks
- 2543

## 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?