R s aggarwal solutions mathematics class 8 Solutions for Chapter 21 introduction to coordinate geometry

Write the abscissa of the each of the following points:

(i) (0,5)

(ii) (3,7)

(iii) (-2,4)

(iv) (6, -3)

Write the ordinate of the each of the following points:

(i) (4,0)

(ii) (5,2)

(iii) (1,-4)

(iv) (-10,-7)

On a graph paper, plot the each of the following points:

(i) A(4,3)

(ii) B(-2,5)

(iii) C(0,4)

(iv) D(7,0)

(v) E(-3,-5)

(vi) F(5,-3)

(vii) F(-5,-5)

(viii) H(0,0)

Plot each of the following points on the graph sheet. Verify lie on a line.

(i) A(4,0), B(4,2), C(4,2.5) and D(4,6)

(ii) P(1,1), Q(2,2), R(3,3) and S(4,4)

(iii) L(6,2), M(5,3), N(3,5) and O(2,6)

Plot the given points on a graph sheet and check if they lie on a straight line. If not,

name the shape when they joined in the order.

(i) A(0,2), B(0,3.5), C(0,5), D(0,6)

(ii) P(1,3), Q(1,5), R(3,3), S(3,5)

(iii) E(4,5), F(5,5), G(5,7),H(6,7)

(iv) L(2,0), M(2,3), N(0,3),O(0,0)

(v) J(4,3), K(6,1), L(6,5),M(4,7)

Select the correct answer in each of the following:

1. In which of the following quadrants does the point P (3, 6) lie?

(a)I (b) II (c) III (d) IV

In which of the following quadrants does the point P (-7, -1) lie?

(a)I (b) II (c) III (d) IV

In which of the following quadrants does the point P (2,-3) lie?

(a)I (b) II (c) III (d) IV