Sunday, September 25, 2011

10th maths Extra score questions chapter Pair of L...

10th maths Extra score questions
Pair of Linear Equation in Two Variable HOTS By JSUNIL TUTORIAL
1 mark questions :-
Q. 1 Is the pair of linear equations consistent: - x + y = 3 ; 3x – 2y = 4 .
Q. 2 Find out whether the lines representing the following pair of linear equations are parallel or coincide:- 6x – 3y +10 = 0 ; 2x – y + 9 = 0
Q. 3 Write the value of k for which the following pair of linear equations has unique solution:-
x + k y + 6 = 0 ; 2x + 3y + 8 = 0
Q. 4 Write the value of k for which the following pair of linear equations has no solution: -
4x +y =11 ; k x + 3y =5
Q. 5 Write the value of k for which the system of equations has infinite solutions:-
2x – 3y +10 = 0 ; 3x – ky +15 = 0
Q. 6 Does (2, –3) lie on the linear equation 3x – 2y + 5 = 0

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