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4. For what value of a the following pair of linear equation has infinitely many solutions?
2x + ay = 8
TERRIER
ax + 8y=4a (Ans:4,-4)
5. For what value of k the following pair of linear equation has no solutions
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2x + ky = 1
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6x + 4y =3 (Ans:-)
6. Two lines are given to be parallel. The equation of one of the lines is 4x + 3y =14,
what can be the equation of the second line? ( Ans:8x + 6y=20.
7. How many solutions, the following pair of linear equations has?
2x – 3y =1
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3x – 2y=4
(Ans: one solution)
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8. Find the value of k for which the following system of linear equations has infinite
number of solutions:
x+ (k + 1)y = 5 and (x + 1)x + 9y = (8k – 1). (Ans:k=2)
9. Find the solution of the pair of linear equations
V5x – V2y = 0 and V7x+ Voy = 0
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