Inversa
Fórmula
x = f(y)
digitação de x
digitação de y
Σx
Σy
Σx
2
Σy
2
Σxy
coef A
coef B
r
Quadrática
Fórmula
x = f(y)
digitação de x
digitação de y
Σx
Σy
Σx
2
Σy
2
∑x
4
∑x
3
∑x
y
2
Σxy
coef A
coef B
coef C
8
y=A + B/x
x =B/(y-A)
1/x
y
Σ1/x
Σy
Σ1/x
2
Σy
2
Σy/x
(Σy-Σ1/x)/n
(nΣy/x-Σ1/x Σy)/(nΣ1/x
(nΣy/x-Σ1/xΣy)/√((nΣ1/x
y=A+Bx+Cx
2
x = -B/2C ± √(y/C-A/C+B
x
y
Σx
Σy
Σx
2
Σy
2
∑x
4
∑x
3
∑x
y
2
Σxy
(Σy-BΣx-CΣx
)/n
2
(nΣxy-ΣxΣy-C(nΣx
((nΣx
-(Σx)
)(nΣx
2
2
2
((nΣx
-(Σx)
) (nΣx
2
2
4
-(Σ1/x)
)
2
2
-(Σ17x)
) (nΣy
2
2
/4C
) para Cy ≥AC-B
2
2
-Σx
Σx))/(nΣx
-(Σx)
3
2
2
y-Σx
Σy)-(nΣx
-Σx
2
3
-(Σx
)
)-( nΣx
-Σx
2
2
3
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-(Σy)
)
2
2
/4
2
)
2
Σx)(nΣxy-ΣxΣy)) /
2
Σx)
)
2
2