Question

3.
For what value of p, will the line represented by the following pair of linear equation be parallel:
3x-y=5 and 6x-2y=p.
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Answer 1

Answer:

a1/a2=b1/b2 is not equal to c1/c2

3/6=-1/-2 is not equal to p/5

On cross multiplying ,

p will form a pair of linear equations giving parallel lines for every value except -5/2

Hope that helps