Home/Algebra/Functions/Line10. FunctionsLineLevel: fundamentalIn 10. FunctionsFormulaCopy LaTeXy=mx+b;m=y2−y1x2−x1y=mx+b;\quad m=\frac{y_2-y_1}{x_2-x_1}y=mx+b;m=x2−x1y2−y1Tagsalgebraalgebra formulaFunctionsDetailSlope–intercept form and slope computation.Explore the ideaFound an error? Contact us.Related formulasRelatedLinear equationax+b=0⇒x=−ba (a≠0)ax+b=0\Rightarrow x=-\frac ba\;(a\ne0)ax+b=0⇒x=−ab(a=0)Open formulaOpen in sectionRelatedParallelism and perpendicularitym1=m2;m1m2=−1m_1=m_2;\quad m_1m_2=-1m1=m2;m1m2=−1Open formulaOpen in section