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A line PQ passes through the points (-8, -1) and (-2, 3). The equation of line RS is -2y -3x =13. Is the line PQ parallel to RS? Justify

Answer :

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First find the slope
Y-y
----
X-x

2/3 is the slope
Next find the slope of the other line
-2y -3x=13
-2y=3x+ 13
Y=-2/3+-6.5
No the lines are perpendicular not parallel

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