NCERT Mathematics Class 9 Exemplar Ch 4 Linear Equations in Two Variables Part 3

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15. The graph of the linear equation passes through the point

(A)

(B)

(C)

(D)

Answer: C

16. If we multiply or divide both sides of a linear equation with a non-zero number, then the solution of the linear equation:

(A) Changes

(B) Remains the same

(C) Changes in case of multiplication only

(D) Changes in case of division only

Answer: B

17. How many linear equations in x and y can be satisfied by and ?

(A) Only one

(B) Two

(C) Infinitely many

(D) Three

Answer: C

18. The point of the form always lies on:

(A) x-axis

(B) y-axis

(C) On the line

(D) On the line

Answer: C

19. The point of the form always lies on the line

(A)

(B)

(C)

(D)

Answer: D

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