how to figure slope and tan(Thinking)

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- Dec 18th 2012, 09:34 PMmarlenetan ?
how to figure slope and tan(Thinking)

- Dec 18th 2012, 09:47 PMSorobanRe: tan ?
Hello, marlene!

What are we given?

- Dec 19th 2012, 02:12 PMHallsofIvyRe: 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?