L1 : (-3, - 5) and (-1, 2) L2: (0,4) and (7,2) A. Parallel B. Neither C. Perpendicular

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Yurem

Mathematics

2 November, 17:12

L1 : (-3, - 5) and (-1, 2) L2: (0,4) and (7,2) A. Parallel B. Neither C. Perpendicular

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Answers (1)

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Dominique Lamb · Answer 1

C. Perpendicular

Step-by-step explanation:

L1:

let A (-3,-5) B (-1,2)

the slope is : (YB - YA) / (XB - XA)

(2+5) / (-1+3) = 7/2=

the slope is : 7/2

L2:

let C (0,4) D (7,2)

the slope is : (YD - YC) / (XD - XC)

(2-4) / (7-0) = - 2/7

the slope is : - 2/7

(7/2) * (-2/7) = -1

Perpendicular