MathsZo

  Maths Zo 8th Class NCERT Book PDF Link Below Chapterwise PDF: Chapter 1:  Rational Number pdf   👈 Click here to Download

CHAP TER NO.3 Pair of Linear Equation in two variable 1)General form of linear equation:   1) In one variable; ax+b=0 (a≠ 0) 2) In two variable: ax+by+c=0 2) General form of pairs of linear equation in two variables: a₁x+b₁y+c₁=0   and  a₂x+b₂y+c₂=0 Geometrical interpretation and algebraic interpretation Pair of Linear Equation  Algebraic Condition  Graphical  Interpretation  Algebraic  Interpretation   Consistency  a₁x+b₁y+c₁=0                       and    a₂x+b₂y+c₂=0   a₁/ a₂ ≠ b₁/ b ₂ Intersecting  lines  Unique Solution  Consistency   a₁/ a₂= b₁/ b₂=c ₁ /c ₂   Coincident lines  Infinitely many solution   Dependent    consistency a₁/ a₂= b₁/ b₂ ≠ c ₁ /c ₂  Parallel lines  No solution Inconsistent #Methods of Solving Pair of Linear Equations...