Geometria analítica.?
Calcule a distância entre o ponto P( -2, -5) e a rea r: 8x+6y-10=0
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Calcule a distância entre o ponto P( -2, -5) e a rea r: 8x+6y-10=0
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d = |Ax0 + By0 + C|/√(A² + B²)
A = 8
B = 6
C = -10
x0 = -2
y0 = -5
d = |Ax0 + By0 + C|/√(A² + B²)
d = |8*-2 + 6*-5 - 10|/√(8² + 6²)
d = |-16 - 30 - 10|/√100
d = 56/10 = 5,6
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