SOLUTION: Given A(-5,8), B(12,10) are points on line 1, and C(-7,-2), D(10,0) are points on line 2. 1a) Determine if line 1 and line 2 are parallel lines. yes or no Reason: 1b) Find

Question 401576: Given A(-5,8), B(12,10) are points on line 1, and C(-7,-2), D(10,0) are points on line 2.
1a) Determine if line 1 and line 2 are parallel lines.
yes or no
Reason:
1b) Find the slope m of a line perpendicular to line 2
m=
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!

.
Therefore line AB is parallel to line CD.
The slope m of a line perpendicular to line CD is -17/2.

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