brookebrooke789
Answered

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Given the points below, are the two lines parallel, perpendicular, or neither.
L1: (-4, 6) (-3,-1) L2: (8,9) (15, 10)

Sagot :

abidemiokin

Answer:

perpendicular  

Step-by-step explanation:

First we need to dtemine the slopes of the line

For line 1

L1: (-4, 6) (-3,-1)

m1 = y2-y1/x2-x1

m1= -1-6/-3+4

m1 = -7/1

m1 = -7

For line 2:

L2: (8,9) (15, 10)

m2  = 10-9/15-8

m2 = 1/8

Take their product

m1 * m2 = -7 * 1/7

m1m2 = -1

Since the product of their slopes is -1, hence they are perpendicular  

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