CLASS 10
SUBJECT: MATHEMATICS
TOPIC LINEAR EQUATIONS IN TWO VARIABLES
1. Solve graphically the system of linear equations: X+3y = 11, 3x+2y=12
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Equation 1 →
Equation 2 →
Now,
Equation 1 →
We get the points. (Taking some value of x and finding y.)
Point = ; ;
Equation 2 →
We get the points. (Taking some value of x and finding y.)
Point = ; ;
Now,
Plotting the points in the graph.
Observation:
- The equations has intersecting lines.
- (2,3) is the intersecting point.
- Number of solution = exactly one solution.
Attachments:
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