NCERT Class 9 Solutions: Linear Equation In Two Variable (Chapter 4) Exercise 4.3 – Part 1

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Linear equation:

Linear equation of form y=3x+1 at point (1,4) and (0,1)

Linear Equation of the Form Y=3x+1

Linear equation of form y=3x+1 at point (1,4) and (0,1)

Q-1 Draw the graph of each of the following linear equations in two variables:

  1. Equation

  2. Equation

  3. Equation

  4. Equation

Solution:

  1. Equation

    So, Equation

    If Equation then Equation

    Point Equation

    If Equation then Equation

    Point Equation

    We plot the points Equation and Equation on the graph paper and join the same by a ruler to get the line which is the graph of the equation Equation

    Two point are joined the same by a ruler to get the line x+y=4 at point (1,3) and (2,2)

    X-Axis and Y-Axisn and Graphy of X+Y =4

    Two point are joined the same by a ruler to get the line x+y=4 at point (1,3) and (2,2)

  2. Equation

    So, Equation

    If Equation then Equation

    Point Equation

    If Equation then Equation

    Point Equation

    We plot the points Equation and Equation on the graph paper and join the same by a ruler to get the line which is the graph of the equation Equation

    x-axis and y-axis and a line x-y = 2 ad points (3,1) and (2,0)

    X-Axis and Y-Axis and a Line X-Y = 2

    x-axis and y-axis and a line x-y = 2 ad points (3,1) and (2,0)

  3. Equation

    If Equation then Equation

    Point Equation

    If Equation then Equation

    Point Equation

    We plot the points Equation and Equation on the graph paper and join the same by a ruler to get the line which is the graph of the equation Equation

    X-axis and y-axis and graph of equation y=3x at points (1,3) and (0,0)

    X-Axis and Y-Axis With Equation Y=3x

    X-axis and y-axis and graph of equation y=3x at points (1,3) and (0,0)

  4. Equation

    So, Equation

    If Equation then Equation

    Point Equation

    If Equation then Equation

    Point Equation

    We plot the points Equation and Equation on the graph paper and join the same by a ruler to get the line which is the graph of the equation Equation

    x-axis and y-axis and equation 3=2x+y at points (0,3),(1,1) and (2,0)

    X-Axis and Y-Axis Showing 3=2x+Y

    x-axis and y-axis and equation 3=2x+y at points (0,3),(1,1) and (2,0)

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