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  • Without plotting the points indicate the quadrant in which they will lie, if (i) ordinate is 5 and abscissa is – 3 (ii) abscissa is – 5 and ordinate is – 3 (iii) abscissa is – 5 and ordinate is 3 (iv) ordinate is 5 and abscissa is 3

Without plotting the points indicate the quadrant in which they will lie, if
(i) ordinate is 5 and abscissa is -3
(ii) abscissa is -5 and ordinate is -3
(iii) abscissa is -5 and ordinate is 3     
(iv) ordinate is 5 and abscissa is 3

Answers (1)

Answer:
(i) II quadrant
(ii) III quadrant
(iii) II quadrant
(iv) I quadrant

Solution.

We know that sign in I quadrant = (+, +)
In II quadrant = (-, +)
In III quadrant = (-,-)
In IV quadrant = (+,-)
Abscissa is the x-axis (horizontal) coordinate
Ordinate is the y-axis (vertical) coordinate
(i) Hence abscissa is -3 and ordinate is 5.
So, it lies in II quadrant.
(ii) Here x coordinate is -5 and y-coordinate is -3
So both are negative.
Its lies in III quadrant.
(iii) Abscissa is -5 and ordinate is 3
Here x coordinate is -5 and y-coordinate is 3
So it lies in II quadrant.
(iv)  Ordinate is 5 and abscissa is 3
Here x coordinate is 3 and y-coordinate is 5
Both are positive.
So it lies in I quadrant

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