find the equation of the line if m= -5; P (-1,-2)
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Given : slope of line m= -5 and passing through point P (-1,-2)
To Find : Equation of the line
Solution:
Equation of a line with slope m and passing through (x₁ , y₁) is given by :
y - y₁ = m(x - x₁)
m = -5
x₁ = -1
y₁ = - 2
y - (-2) = -5(x - (-1))
=> y + 2 = -5x - 5
=> 5x + y + 7 = 0
Equation of the line is 5x + y + 7 = 0
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