Exercise : Linear Equations MCQ Questions and Answers
Question 1
If x = a, y = b is the solution of the equations x – y = 2 and x + y = 4, then the values of a and b are, respectively
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Correct Answer : B. 3 and 1
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Question 2
If the lines given by 3x + 2ky = 2 and 2x + 5y + 1 = 0 are parallel, then the value of k is
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Correct Answer : A. 15/4
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Question 3
Solve simultaneous equations 13x - 6y = 20, 7x + 4y = 18
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Correct Answer : C. x = 2, y = 1
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Question 4
The pair of equations x + 2y + 5 = 0 and –3x – 6y + 1 = 0 have
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Correct Answer : A. no solution
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Question 5
If (x/4) + (y/3) = 10/24 and (x/2) + y = 1, then the value of x + y is
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Correct Answer : C. 3/2
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Question 6
The value of k for which kx + 3y - k + 3 = 0 and 12x + ky = k, have infinite solutions, is
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Correct Answer : C. 6
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Question 7
Number of ordered pair values (x,y) to satisfy linear equation ax + by = c are
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Correct Answer : C. finite
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Question 8
In graphically representation of equation, number of dimensions is determined by
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Correct Answer : B. number of variables
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Question 9
In linear equation ax = c, simplified form is
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Correct Answer : B. x = c⁄a
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Question 10
Inversely proportional increase and decrease in values of y and x on a straight line shows slope is
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Correct Answer : D. negative
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