$\"slope$

$\"\"$

Since the line is raising the slope is positive.Next, find the slope.

$\"\"$

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

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

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

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

$\"\"$ (Divide: $\"\"$ ) $\"\"$

The slope is undefined.