For which value will (2x+ay=10) and (6x+9y=31) be distinct parallel lines?
Answer and explanation
Correct answer: (a=3)
For parallel lines, (\frac{2}{6}=\frac{a}{9}), so (a=3). Since (\frac{10}{31}\neq\frac{1}{3}), the lines are not coincident.
Frequently asked questions
What is the correct answer to this question?
(a=3)
Why is this the correct answer?
For parallel lines, (\frac{2}{6}=\frac{a}{9}), so (a=3). Since (\frac{10}{31}\neq\frac{1}{3}), the lines are not coincident.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Pair of Linear Equations in Two Variables. Topic: Graphical method of finding solutions..
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