Two lines intersect at ((-4,1)) on a graph. Which pair of equations is correct?
Answer and explanation
Correct answer: (x+y=-3), (2x-y=-9)
Substituting ((-4,1)) makes (x+y=-3) and (2x-y=-9) both true. Substituting the intersection point in both equations is the fastest check.
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What is the correct answer to this question?
(x+y=-3), (2x-y=-9)
Why is this the correct answer?
Substituting ((-4,1)) makes (x+y=-3) and (2x-y=-9) both true. Substituting the intersection point in both equations is the fastest check.
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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