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14 Line X joins the points (10, 3) and (–8, –5) and line Y joins the points (8, –5) and (2, –15). Determine
whether X is perpendicular to Y.
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[3]
15 Line X joins the points (–10, –3) and (–2, 9) and line Y joins the points (0, –9) and (2, –6).
Determine whether X and Y are parallel lines.
[3]
Cambridge IGCSE
TM
70 Ace Your Mathematics
Chapter 3.indd 70 15/03/2022 10:28 AM
