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Draw the Graph for Each of the Following Equation: Also, Find the Coordinates of the Points Where the Graph of the Equation Meets the Coordinate Axes: 3 X + 14 2 = Y − 10 5 - Mathematics

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प्रश्न

Draw the graph for each of the following equation: Also, find the coordinates of the points where the graph of the equation meets the coordinate axes:

`(3x + 14)/(2) = (y - 10)/(5)`

आलेख

उत्तर

`(3x + 14)/(2) = (y - 10)/(5)`
⇒ 15x + 70 = 2y - 20
⇒ 15x - 2y = -90
⇒ 2y = 90 + 15x

⇒ y = `(90 + 15x)/(2)`
Corresponding values of x and y can be tabulated as follows :

X -5 -2 -1
Y 7.5 30 37.5

Plotting the points (-5, 7.5), (-2, 30) and (-1, 37.5),
we get the following graph :

Thus, the graph of the equation meets the X-axis at (-6, 0) and Y-axis at (0, 45).

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अध्याय 8: Simultaneous Linear Equations - Exercise 8.2

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फ्रैंक Mathematics [English] Class 9 ICSE
अध्याय 8 Simultaneous Linear Equations
Exercise 8.2 | Q 2.2
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