Question 6.
Solve the following simultaneous equation graphically.
3x – 4y = –7; 5x – 2y = 0
Answer:
Eq. I =
When x = 0, 4y = 7, y = 7/4
When y = 0, 3x = -7, x = -7/3
Eq. II =
When x = 0, y = 0
When x = 1, y = 5/2
Plotting both the graphs we get,
Calculating intersecting point
Putting x= –1 in Eq.I
3× –1 – y = 2
Intersection point (–1,–5)
MATHS I SSC NEW SYLLABUS
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