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Complete the following activity.(i)What is the nature of solution if D=0?`

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CHETANA PUBLICATION-Linear equations in two variables-EXERCISE
  1. Complete the following activity.(i)What is the nature of solution if D...

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  2. To draw graph of 4x+5y=19,find y when x=1. Options: a) 4 b) 3 c) 2 d) ...

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  3. For simultaneous equations in variables x and y, Dx=49,Dy=-63, D=7 the...

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  4. Find the value of: |(5,3),(-7,-4)| a) -1 b) -41 c) 41 d) 1

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  5. To solve x+y=3,3x-2y-4=0 by determinant method, find D.

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  6. ax+by=c and mx+ny=d and an ne bm then these simultaneous equations hav...

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  7. The general form of linear equation in two variables is: a) ax+b=0 b...

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  8. …………...........is one of the solution of equation 3x-5y=10 : a) (0,2) ...

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  9. If 12x+13y=29 and 13x+12y=21 then the value of x+y is

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  10. Express the following information in mathematical form using x and y v...

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  11. Write Dx for the following simultaneous equations 3x+4y=8,x-2y=5 a) |(...

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  12. ………………..is the solution of given simultaneous equation x-y=7,x+y=11 a)...

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  13. When we consider two linear equations in two variables, such equations...

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  14. ………….is not a linear equation in two variables. a)x+7y=1 b)3x+4y-xy=0 ...

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  15. The linear equation in two variables is…………..a)3x+9=sqrt 2y+2 b)3x-4y+...

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  16. The pair of simultaneous equations from the following is…………………(1)2x+2...

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  17. Equation of X axis is……………..a)x=0 b)y=0 c)x=b d)y=a

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  18. The co-ordinates of the point of origin are……………a)(0,0) b)(1,0) c)(0,1...

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  19. If the value of the determinant |(m,-2),(2,1)| is 7, then value of m i...

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  20. x and y are the dimensions of a rectangle and its perimeter is 64. Thi...

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  21. The value of determinant |(5,2),(7,4)| is…………..a)6 b)-6 c)34 d)-34

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