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To obtain a straight line
Now, we know how to plot the points on the graph. The points may lie on the graph in different order. If we join any two points we will get a straight line.
Draw a straight line by joining the points A (−2,6) and B (4,−3)
The given first point A (−2,6) lies in the II quadrant and plot it. Second point B (4,−3) lies in the IV quadrant and plot it.
Now join the point A and point B using scale and extend it. We get a straight line.
The straight line intersects X axis at (2,0) and Y axis at (0,3).
Draw straight lines by joining the points A(2, 5) B(−5,−2) M(−5, 4) N(1,−2) also find the point of intersection
Plot the first pair of points A and B in I and III quadrants. Join the points and extend it to get AB straight line. Plot the second pair of points M and N in II and IV quadrants. Join the points and extend it to get MN straight line.
Now, both lines are intersect at P(−2,1 )
(i) The line AB intersect the coordinate axis, ie) x-axis at R(−3,0) and y-axis at Q(0,3)
(ii) The line MN intersect the coordinate axis, ie) x-axis at S(−1,0) and y-axis at T(0,−1)
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