NCERT Mathematics Class 9 Exemplar Ch 3 Coordinate Geometry Part 8

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Q.6. In Fig. 3.6, LM is a line parallel to the y-axis at a distance of 3 units.

(i) What are the coordinates of the points P, R and Q?

LM is a line parallel y-axis at a distance of 3 units

LM is a Line Parallel Y-Axis at a Distance of 3 Units

LM is a line parallel y-axis at a distance of 3 units

(ii) What is the difference between the abscissa of the points L and M?

Answer: (i) P(3, 2), R(3, 0), Q(3, –1) (ii) 0

Q.7. In which quadrant or on which axis each of the following points lie?

Answer: II, IV, x-axis, I, III

Q.8. Which of the following points lie on y-axis?

Answer: C, D, E, G

9.Plot the points (x, y) given by the following table. Use scale 1 cm = 0.25 units

Plot the Points (X, Y) Given by the Following Table. Use Scale 1 Cm = 0.25 Units
Plot the points (x, y) given by the following table. Use scale 1 cm = 0.25 units

X

1.25

0.25

1.5

-1.75

y

-0.5

1

1.5

-0.25

Plot the points (x, y) given by the following table

Plot the Point

Plot the points (x, y) given by the following table

Answer: Let X’OX and Y’OY be the coordinate axes. Plot the given points and on the graph paper. After plotting, we get the points and .

Q.10. A point lies on the x-axis at a distance of 7 units from the y-axis. What are its coordinates? What will be the coordinates if it lies on y-axis at a distance of –7 units from x-axis?

Answer: (7, 0), (0, –7)

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