Enter two numbers to check if the first number is divisible by the second number: Check
Any line in the xy-plane can be expressed with equation in the form where
and
are the unknowns,
are given real numbers such that
.
The form is equivalent with the following forms
, where
,
, and
.
, where
and
, if
.
, where
, if
.
The gradient of line is
if
. Otherwise if
, the gradient of this line is defined to be infinity (
).
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