$\"Slope$ $\"\"$

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Slope formulae $\"\"$

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$\"\"$ (Replace $\"\"$ and $\"\"$ with $\"\"$ and $\"\"$ )

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$\"\"$ (Product of two same signs is positive)

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$\"\"$ (Add: $\"\"$ )

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Find the least common denominator (LCD).

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Multiples of 2: 2,4,6,8......

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Multiples of 4: 4,8,12......

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The least common multiple of 2 and 4 is 4.

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Rewrite each fraction with a common denominator of 4.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ (Subtract: $\"\"$ )

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$\"\"$ (Reciprocal of $\"\"$ is $\"\"$ 4) $\"\"$

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Slope $\"\"$

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