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Draw a graph of each of the following equations: 3x - 2y = 6 - Mathematics

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Question

Draw a graph of each of the following equations: 3x - 2y = 6

Graph

Solution

3x - 2y = 6
⇒ 2y = 3x - 6

⇒ y = `(3x - 6)/(2)`

when x = 2, y = `(3(2) - 6)/(2)` = 0

when x = 4, y = `(3(4) - 6)/(2)` = 3

when x = 2, y = y = `(3(-2) - 6)/(2)` = -6

x 2 4 -2
y 0 3 -6

Plotting the point (2, 0), (4, 3) and (-2, -6), we get a line AB as shown in the figure.

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Graphs of Linear Equations
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Chapter 28: Coordinate Geometry - Exercise 28.2

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Frank Mathematics [English] Class 9 ICSE
Chapter 28 Coordinate Geometry
Exercise 28.2 | Q 3.02
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