2 -2 4 -4 2 -2 4 -4 6 -6 coords A coords B ∆x=xB–xA ∆y=yB–yA = = = = ∆y A∙ ∆x B∙ m= y=mx+c • c = • • ∆x ∆y = = 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 coords A coords B m= y=mx+c • c = • • ∆x ∆y = = ∆y ∙B ∆x ∆x=xB–xA ∆y=yB–yA = = A∙ = = 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 ∆x=xB–xA ∆y=yB–yA coords A coords B = = A∙ = = ∆x ∙B ∆y y=mx+c m= • 6 = c = • • ∆x ∆y = (-2) + c = 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 coords A coords B y=mx+c m= • c = • = • ∆x ∆y -4( ) + c = = ∙A ∆x=xB–xA = ∆y=yB–yA ∆x = ∙B ∆y = = 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 coords A coords B y=mx+c • m= c = • = • ∆x ∆y ( ) + c = = ∆x=xB–xA ∆y=yB–yA = = ∙ = = A ∆x ∆y ∙ B m= y=mx+c • c = • = • ∆x ∆y ( ) + c = = A∙ (-2,6) ∆x=xB–xA ∆y=yB–yA = = ∙B(4,-12) = = ∆x=xB–xA m= y=mx+c • = c = = • • ∆x ∆y ( ) + c = = = ∆y=yB–yA = A∙ (5,-16) = ∙B(11,8) |