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Formulaire: mathématiques - Géométrie - Ligne droite ⁄

Ligne droite ⁄

Définitions:

  • x1: x1-coordonner
  • x2: x2-coordonner
  • y1: y1-coordonner
  • y2: y2-coordonner
  • m: Pente
  • b: y-intercepter
  • f:
  • y: équation
Layer 1xxyy1122

Pente

m=y2−y1x2−x1
m = Pente
y2 = y2-coordonner
y1 = y1-coordonner
x2 = x2-coordonner
x1 = x1-coordonner

Layer 1xxyy1122b

Principale forme

y=m×x+b
y = équation
m = Pente
b = y-intercepter

y=y2−y1x2−x1×x+(y2−y2−y1x2−x1×x2)
y = équation
y1 = y1-coordonner
y2 = y2-coordonner
x1 = x1-coordonner
x2 = x2-coordonner
y2 = y2-coordonner
y1 = y1-coordonner
y2 = y2-coordonner
x1 = x1-coordonner
x2 = x2-coordonner
x2 = x2-coordonner

y=m×x+(y2−m×x2)
y = équation
m = Pente
y2 = y2-coordonner
m = Pente
x2 = x2-coordonner

y=m×x+(y1−m×x1)
y = équation
m = Pente
y1 = y1-coordonner
m = Pente
x1 = x1-coordonner

Deux points formulaire

y−y1=y2−y1x2−x1×(x−x1)
f =
y1 = y1-coordonner
y1 = y1-coordonner
y2 = y2-coordonner
x1 = x1-coordonner
x2 = x2-coordonner
x1 = x1-coordonner