2x-y-4=0 x+y+1=0 graph
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EXPLANATION.
Graph of the equation.
⇒ 2x - y - 4 = 0.
⇒ x + y + 1 = 0.
From equation (1), we get.
⇒ 2x - y - 4 = 0.
Put the value of x = 0 in equation, we get.
⇒ 2(0) - y - 4 = 0.
⇒ 0 - y - 4 = 0.
⇒ - y - 4 = 0.
⇒ y = - 4.
Their Co-ordinates = (0,-4).
Put the value of y = 0 in equation, we get.
⇒ 2x - (0) - 4 = 0.
⇒ 2x - 4 = 0.
⇒ 2x = 4.
⇒ x = 4/2.
⇒ x = 2.
Their Co-ordinates = (2,0).
From equation (2), we get.
⇒ x + y + 1 = 0.
Put the value of x = 0 in equation, we get.
⇒ (0) + y + 1 = 0.
⇒ y = - 1.
Their Co-ordinates = (0,-1).
Put the value of y = 0 in equation, we get.
⇒ x + (0) + 1 = 0.
⇒ x = - 1.
Their Co-ordinates = (-1,0).
Both curve intersect at a point = (1,-2).
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