If the graphical solution of (3x+y=14) and (x-y=2) is ((p,q)), what is (p-q)?
Answer and explanation
Correct answer: (2)
The second equation directly gives (p-q=2). The intersection point satisfies both equations, so full solving is not always necessary.
Frequently asked questions
What is the correct answer to this question?
(2)
Why is this the correct answer?
The second equation directly gives (p-q=2). The intersection point satisfies both equations, so full solving is not always necessary.
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..