Algebrahard · Past Paper
For what value of k will the lines 3x + y = 5 and kx + 2y = 10 be coincident?
A3
B6
C2
D1
✓ Correct Answer: B — 6
Coincident means ratios are equal: 3/k = 1/2 = 5/10. So k = 6.
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✓ Correct Answer: B — 6
Coincident means ratios are equal: 3/k = 1/2 = 5/10. So k = 6.
Share this question