## (CLASS 9)Polynomial -2 , Coordinate Geometry, Linear Equation In Two Variables, Euclid's Geometry, Lines And Angles

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Solved problems strictly according to the syllabus.

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(i) Only one street can be referred to as (4, 3) as we see from the figure. (ii) Only one street can be referred to as (3, 4) as we see from the figure. 2. Write the answer of each of the following questions: (i) What is the name of horizontal and the vertical lines drawn to determine the position of any point in the Cartesian plane? (ii) What is the name of each part of the plane formed by these two lines? (iii) Write the name of the point where these two lines intersect. Answer (i) The name of horizontal lines and vertical lines drawn to determine the position of any point in the Cartesian plane is x-axis and y-axis respectively. (ii) The name of each part of the plane formed by these two lines x-axis and y-axis is quadrants. (iii) The point where these two lines intersect is called origin. 3. See Fig.3.14, and write the following: (i) The coordinates of B. (ii) The coordinates of C. (iii) The point identified by the coordinates (-3, -5). (iv) The point identified by the coordinates (2, -4). (v) The abscissa of the point D. (vi) The ordinate of the point H. (vii)The coordinates of the point L. (viii) The coordinates of the point M. 4 •c Fig. 3.14 Answer (i) The coordinates of B is (-5, 2). (ii) The coordinates of C is (5, -5). (iii) The point identified by the coordinates (-3,
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Answer Points (x,y) on the plane. lunit = 1 cm 2nd quadrant x' -6 3rd qUadrnt 1st quadrant 8 7 6 5 5 6 x (0.-1.25) 2 1 12 34 -1 -2 -3 -6 4th quadrant

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