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If ax+by=c and px+qy=r has unique soluti...

If ax+by=c and px+qy=r has unique solution, then

A

`a/b=p/q`

B

ab= pq

C

`a/q=b/q`

D

`aq != bp`

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BEYOND PUBLICATION-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-EXERCISE
  1. If x=1, then the value of y satisfying the equation (5)/(x)+(3)/(y)=6

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  2. The value of y when (x+y)/(xy)=2" and "(x-y)/(xy)=6 is

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  3. If ax+by=c and px+qy=r has unique solution, then

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  4. If 5x+py+8=0 and 10x+15y+12=0 has no solution, then p=

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  5. y =5x is a line

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  6. The point (-3,-8) is in the …………quadrant

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  7. The point (7,-5) is in the…………quadrant.

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  8. Find the value of x if y=(3)/(4)x and 5x+8y=33.

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  9. (120)/(x)+(12)/(x)=11, then x=

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  10. Which of the following equations is not a linear equation?

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  11. Which of the following numbers is a solution for the equation 2(x+3)=1...

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  12. When two lines in the same plane may intersect?

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  13. In the following values of x and y satisfies the equation 4x+3y = 110

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  14. 3x+2y-80=0,4x+3y-110=0 solution for this linear equations is

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  15. x+2y-30=0,2x+4y-66 = 0 these lines represent

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  16. The point of intersecting of x+y=6 and x-y=4 is………

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  17. A pair of linear equations in two vairables are 2x-y=4 and 4x-2y=6. Th...

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  18. The value of 'x' in the equation 3x-(x-4)=3x+1 is………

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  19. The sum of squares of two consecutive positive even numbers is 340, th...

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  20. Length of the dark line given in the diagram

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