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Determine the co-ordinate of the vertices of the triangle formed by these lines and the y- axis.
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5x - y =5
= y = 5x - 5
Three solutions of this equation can be written in a table as follows:
| x | 0 | 1 | 2 |
| y | -5 | 0 | 5 |
3x - y = 3 or,
y = 3x – 3
The solution table will be as follows.
| x | 0 | 1 | 2 |
| y | -3 | 0 | 3 |
The graphical representation of these lines will be as follows.
It can be observed that the required triangle is ΔABC formed by these lines and y-axis. The coordinates of vertices are A (1, 0), B (0, - 3), C (0, - 5).
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