Question

Without actually drawing graph can you comment on type of graph of a given pair of linear equation in two variables

Answer 1

Answer:

here is your answer dear

Step-by-step explanation:

any linear equation can be written in the form a1x^2+b1x+c1=0 ; a2x^2+b2x+c2=0

so when a1/a2 is not equal to b1/b2 then the graph is intersecting and has only 1 solution

when a1/a2 = b1/b2 not equal to c1/c2 then the graph is parallel and has no solution

when a1/a2 = b1/b2 = c1/c2 then the lines are coincident and has infinitely many solutions

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