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Mathematics

Find the equation of the line parallel to the line 3x + 2y = 8 and passing through the point (0, 1).

Straight Line Eq

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Answer

Given,

⇒ 3x + 2y = 8

⇒ 2y = -3x + 8

⇒ y = 32x+82-\dfrac{3}{2}x + \dfrac{8}{2}

Comparing above equations with y = mx + c we get,

Slope = 32-\dfrac{3}{2}

Since, parallel lines have equal slope.

∴ Slope of line parallel to 3x + 2y = 8 is 32-\dfrac{3}{2}.

By point-slope form,

⇒ y - y1 = m(x - x1)

⇒ y - 1 = 32(x0)-\dfrac{3}{2}(x - 0)

⇒ 2(y - 1) = -3x

⇒ 2y - 2 = -3x

⇒ 3x + 2y - 2 = 0.

Hence, equation of the line passing through (-2, 1) and parallel to 3x + 2y = 8 is 3x + 2y - 2 = 0.

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