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                 \ 07-Jan-2025  Bharat Arora   Proof-7             Reader’s Sign _______________________ Date __________





                  C.  Fill in the blanks.

                  1.  The point (6, 0) lies on the ................. axis.
                  2.  The point (–7, 1) lies in ................. quadrant and (1, –7) lies in ................. quadrant.

                  3.  The point (–5, –3) lies in ................. quadrant.

                  4.  The coordinates of a point whose abscissa is 7 and ordinate is 5 are ................. .
                  5.  (–3, 0) will lie on the ................. .

                  D.  State whether the following statements are True (T) or False (F).
                  1.  A point whose x-coordinate is zero and y-coordinate is non-zero will lie on the y-axis.

                  2.  A point whose y-coordinate is zero and x-coordinate is 5 will lie on y-axis.
                  3.  The coordinates of the origin are (0, 0).

                  4.  If the point (x, y) lie on the x-axis, then its abscissa is zero.

                  5.  If the point (x, y) lie on the y-axis, then its ordinate is zero.
                  6.  The point (x, y) lies on y-axis if x = 0.

                  7.  The point (–1, –2) lies on the fourth quadrant.

                  8.  The point (6, –2) lies in the second quadrant.
                  E.  Answer the following.

                  1.  In each of the given cases, plot points on graph, join them, and name the figure or curve obtained.
                    (a)  (2, 6), (3, 5), (5, 3), (6, 2)               (b)  (4, 3), (6, 1), (6, 5), (4, 7)

                  2.  Plot each of the given points on a graph paper and check whether they lie on a straight line or not.
                    (a)  A(3, 3), B(5, 3), C(0, 3)                    (b)  P(5, 0), Q(5, 2), R(5, 5)

                  3.  Draw lines passing through the points (2, 6), (8, 5) and (6, 2), (8, 5). Write the point of intersection
                     of these two lines.

                  4.  Write the coordinates of the vertices of the given parallelogram.

                                                   Y
                                                                   A               B
                                                   2

                                                   1
                                                              D              C
                                                                                       X
                                                    0
                                                          1    2    3    4    5    6

                  5.  A train covers a journey from A to B in 16 hours starting at 5 a.m. The speed of train, as observed
                     at different timings, is given below:


                     Time (in hours)     5 a.m.   7 a.m.   9 a.m.   11 a.m. 1 p.m.    3 p.m.   5 p.m.   7 p.m.   9 p.m.

                     Speed (in km/h)       40       50       60       85       70       65       75       40       20

                     Prepare a line graph for the above table.

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