See it's as simple as hope

Take any two points in yr

life you like. Divide the difference

of the whys by that of

the Xs. Watch yr step!

 

—should the two differences fall on opposing sides of

zero

on the number line then yr slope is negative.

 

If the whys remain the same then yr slope's constant.

If the Xs remain the same then yr slope does not exist.

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