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Question
If the distance between points P (x, 2) and Q (3, 6) is 10 units, then x =
If the distance between points P (x, 2) and Q (3, 6) is 10 units, then x =
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Solution
The correct options are
B -3
C 9
PQ = √(3−x)2+(6−(−2))2=10
(3−x)2+(6+2)2=100
(3−x)2=36
3−x=±6
x = -3 or 9
B
-3
C
9
PQ = √(3−x)2+(6−(−2))2=10
(3−x)2+(6+2)2=100
(3−x)2=36
3−x=±6
x = -3 or 9
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