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Find the slopes of two lines using the given points.

Slope of line 1:

The given points on the line 1 $\"\"$ .

The slope formula is $\"\"$ .

$\"\"$ (Write the formula)

$\"\"$ (Substitute $\"\"$ )

$\"\"$ ( $\"\"$ ) $\"\"$

Slope of line 1:

The given points on the line 2 $\"\"$

The slope formula is $\"\"$ .

$\"\"$ (Write the formula)

$\"\"$ (Substitute $\"\"$ )

$\"\"$ (Simplify) $\"\"$

Since the slopes of two lines equal so the pair of lines is parallel. \ \