alleryStart learning →What is the combined equation of the lines 2x + 3y = 0 and x - 2y = 0?
A2x² - xy - 6y² = 0
B2x² + xy - 6y² = 0
C2x² - xy + 6y² = 0
D2x² - 7xy - 6y² = 0
Answer & Solution
Correct answer: A. 2x² - xy - 6y² = 0
Multiplying (2x + 3y)(x - 2y) gives 2x² - 4xy + 3xy - 6y², which is 2x² - xy - 6y².
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