   Introduction to Linear Equation in Two Variables
 1) The cost of a notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement. x – 2y = 0 2x-y=0 2x+y=0 x+2y=0

 2) The reason that a degree one polynomial equation ax + by + c =0 is called a linear equation is that The geometrical representation is a straight line. It has two variables. It has infinitely many solution. Both a and b.

 3) Solve the given equation 7x + 3 = 52. x = 54 x = 9 x = 14 x = 7

 4) Find out which of the following equation have x=2, y=1 as solution. 5x + 3y = 14 2x + 3y = 7 2x + 5y = -9

 5) If the point (3,4) lies on the graph of the equation 3y = ax + 7 find the value of "a" a = 3/5 a= 5/3 a = 4/5 a = 7/3

 6) A number is three times the other. Write a linear equation in two variables to represent this statement 3x - y = 0 x - y = 3 x + 3y = 1 x - 3y = 0

 7) x = −5 can be written in as equation in two variable _______________. 1.X + 1.Y = 5 1.x + 0.y = -5 1.x + 0.y + 5 = 0 Both ii and iii

 8) (-4,-1) lies on a line which is a graph of the equation ________. 2x + 3y = 4 2x - 3y = 5 x - 4y = 0 4x - 2y = 6

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