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प्रश्न
Draw a graph of each of the following equations: 2(x - 5) = `(3)/(4)(y - 1)`
उत्तर
2(x - 5) = `(3)/(4)(y - 1)`
⇒ 8(x - 5) = 3(y - 1)
⇒ 8x - 40 = 3y - 3
⇒ 3y = 8x - 40 + 3
⇒ 3y = 8x - 37
y = `(8x - 37)/(3)`
When x = 2, = `(8(2) - 37)/(3)` = -7
When x = 5, y = `(8(5) - 37)/(3)` = 1
When x = -1, y = `(8(-1) - 37)/(3)` = -15
| x | 2 | 5 | -1 |
| y | -7 | 1 | -15 |
Plotting the points (2, -7), (5, 1) and (-1, -15), we get a line AB as shown in the figure.
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