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The slope formula is .
(Replace and with and )
(Product of two same signs is positive)
(Add: )
Find the least common denominator (LCD).
Multiples of 2: 2,4,6,8......
Multiples of 4: 4,8,12......
The least common multiple of 2 and 4 is 4.
Rewrite each fraction with a common denominator of 4.
and
(Subtract: )
(Reciprocal of is 4)
The slope of .
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