Question

1.The pairs of equations x+2y-5 = 0 and -4X-By+20=0 have: (a)Unique solution (b)Exactly two solutions (c)Infinitely many solutions (d)No solution 2. If a pair of linear equations is consistent, then the lines are: (a)Parallel (b)Always coincident (c)Always intersecting (d)Intersecting or coincident 3. The pairs of equations 9x + 3y + 12 = 0 and 18x + 6y + 26 = 0 have (a)Unique solution (b)Exactly two solutions (c)Infinitely many solutions (d)No solution 4. If the lines 3x+2ky - 2 = 0 and 2x+5y+1 = 0 are parallel, then what is the value of k? (a)4/15 (b)15/4 (c) (d)5/4 5. If one equation of a pair of dependent linear equations is -3x+5y-2=0. The second equation will be: (a)-6x+10y-4=0 (b)6x-10y-4=0 (c)6x+10y-4=0 (d)-6x+10y+4=0 6. The solution of the equations x-y=2 and x+y=4 is: (a)3 and 1 (b)4 and 3 (c)5 and 1 (d)-1 and -3​

Answer 1

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Hey Mate here is your Answer

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Sorry mate it is a very long Equation if possible pls send it in a short way