It is 6 units because you find the absolute value of the two different coordinates, in this case it is 4 and -2. Since they belong in different quadrants (one x or y value is positive and the other is negative) you add them. If they are both in the same quadrant, you subtract them.
1+(put the little sign)6
that should be the answer, good luck.
Answer:
the slope is stepper and the line is shifted up
