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MCQ
For what value of k are the lines kx + 3y = 5 and 2x - y = 7 parallel?
Unit-8 Geometry of Straight Lines
A 6
B -6
C 3
D -3
Explanation

Slopes are -k/3 and 2. Parallel lines have equal slopes, so -k/3 = 2 and k = -6.

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