Algebramedium · Past Paper
What value of a makes the lines ax + 2y = 5 and 2x + y = 3 parallel?
A2
B4
C1
D-4
✓ Correct Answer: B — 4
For parallel lines, a/2 = 2/1 -> a = 4.
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✓ Correct Answer: B — 4
For parallel lines, a/2 = 2/1 -> a = 4.
Share this question