Question 13
The positive solutions of the equation ax + by + c = 0 always lie in the:

A) Ist quadrant
B) IInd quadrant
C) IIIrd quadrant
D) IVth quadrant

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Solution

The answer is A.
We know that, if a line passes through the Ist quadrant, then all solution lying on the line in the first quadrant must be positive because the coordinates of all points in the Ist quadrant are positive.

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Question 13
The positive solutions of the equation ax + by + c = 0 always lie in the:

A) Ist quadrant
B) IInd quadrant
C) IIIrd quadrant
D) IVth quadrant

The positive solution of equation ax + by + c = 0 always lie in the:

Q. Question 8
A point both of whose coordinates are negative will lie in

A) I quadrant
B) II quadrant
C) III quadrant
D) IV quadrant

Q. Question 9
Points (1, - 1) (2, - 2) (4, -5) and (-3, - 4)

A) Lie in II quadrant
B) Lie in III quadrant
C) Lie in IV quadrant
D) Do not lie in the same quadrant

Q. Points (2, –2), (3, –3), (4, –5), (–3, –4)
(a) lie in II quadrant
(b) lie in III quadrant
(c) lie in IV quadrant
(d) do not lie in the same quadrant

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Co-Ordinates of a Point in a Plane

Standard IX Mathematics

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Question 13 The positive solutions of the equation ax + by + c = 0 always lie in the: A) Ist quadrant B) IInd quadrant C) IIIrd quadrant D) IVth quadrant

The answer is A. We know that, if a line passes through the Ist quadrant, then all solution lying on the line in the first quadrant must be positive because the coordinates of all points in the Ist quadrant are positive.

Question 13
The positive solutions of the equation ax + by + c = 0 always lie in the:

A) Ist quadrant
B) IInd quadrant
C) IIIrd quadrant
D) IVth quadrant

The answer is A.
We know that, if a line passes through the Ist quadrant, then all solution lying on the line in the first quadrant must be positive because the coordinates of all points in the Ist quadrant are positive.