Q:3 B) solve the following questions
| Solve the given equation using graphical method
3x + y = 0
x=y+2
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Answered by
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EXPLANATION.
Graph of the equation,
(1) = 3x + y = 0.
(2) = x = y + 2.
From Equation (1), we get.
(1) = 3x + y = 0.
Put x = 0 in equation, we get.
⇒ 3(0) + y = 0.
⇒ y = 0.
Their Co-ordinates = (0,0).
Put y = 0 in equation, we get.
⇒ 3x + (0) = 0.
⇒ x = 0.
Their Co-ordinates = (0,0).
From equation (2) we get,
(2) = x = y + 2.
Put x = 0 in equation, we get.
⇒ 0 = y + 2.
⇒ y = -2.
Their Co-ordinates = (0,-2).
Put y = 0 in equation, we get.
⇒ x = 0 + 2.
⇒ x = 2.
Their Co-ordinates = (2,0).
Both curves intersects at a point = (0.5,-1.5).
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Answered by
51
3(0) + y = 0
0 + y = 0
y = 0 - 0
Co-ordinate = 0,0
Putting y as 0
3x + 0 = 0
3x = 0
x = 0/3 =0
Co-ordinate = 0,0
(2)
x = y + 2
0 = y + 2
y = -2
Co-ordinate = 0,-2
x = 0 + 2
x = 2
Co-ordinate = 0,2
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