1) The cost of a notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement. a) X - 2Y = 0 b) X= -2Y c) 2Y - X = 0 d) X+2Y=0 2) Express the following linear equations in the form ax + by + c = 0 and indicate the values of a, b and c in each case:(i) 2x + 3y = 9.35 a) 2X + 3Y + 9.35 = 0 b) 2X + 3Y - 9.35 = 0 c) 2X + 3Y = -9.35 d) 2X - 3Y +9.35 = 0 3) Express the following linear equations in the form ax + by + c = 0 and indicate the values of a, b and c in each case: (ii) y – 2 = 0 a) 0.x + 1.Y + 2 = 0 b) y - 2 - 0 = 0 c) Y = 2 d) 0.x + 1.Y - 2 = 0 4) The general form of linear equation is......... a) ax + y = 0 b) ax + by + c = 0

linear equation in two variables

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