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3 years ago

14

Here are two points from line AB: A (9,-2) B(1, 14) Here are two points from line CD: C (6.-10) D (8,-14) Are these lines parall

el, perpendicular or neither?

1 answer:

valentinak56 [21]3 years ago

6 0

Step-by-step explanation:

slope of AB = y2 -y1/x2 -x1 =14 -(-2)/1-9

= 14 +2 /1 -9

= 16/-8

= -2

slope of CD = -14 -(-10)/8 -6 = -14 +10 /2

-4/2 = -2

since slope of AB = CD

(The lines are parallel to each other)

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