Methamatics
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This document discusses three types of lines: intersecting lines, parallel lines, and coincident lines. Intersecting lines cross each other at a single point and have different slopes. Parallel lines have the same slope but never intersect. Coincident lines have the same slope and the same points, so they overlap completely. Examples of solving systems of linear equations graphically to find the intersection points of lines are also provided.
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- 3. Intersecting lines Possible when a1/a2 b1/b2 Parallel Lines Possible when A1/a2=b1/b2 =c1/c2 Coincident lines Possible when a1/a2=b1/b2 ≠ C1/c2 ≠
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- 5. Equation1- 2x+4y=12 Equation2- x+2y=4 X -2 2 Y 3 1 X 2 4 Y 2 1 X X Y Y
- 6. Equation1- 3x-y=2 Equation2- 9x-3y=6 X 2 1 Y 4 1 X 0 -1 Y -2 -5 X X Y Y