TRY YOURSELF 1. Plot the point P (4,0). Q (4.4). R (0.4). Now join OP. PQ, QR. OR. Write the type of the figure you get. 2. Check if (-2,1) is a solution of the equation 2x+3y=-I or not? 3. What is the constant of the equation - 7x+2y-15=0? 4. How many solutions can a linear equation have? 5. Find three solutions of equation 2x+4y=10. Plot them on graph. Join them to get a straight line #
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Answer: A system of linear equations usually has a single solution, but sometimes it can have no solution (parallel lines) or infinite solutions (same line). This article reviews all three cases. One solution. A system of linear equations has one solution when the graphs intersect at a point.
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