English

The inclination of the line √3 −3⁢𝑦 +7 =0 is ______.

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Question

The inclination of the line `sqrt3 − 3y + 7 = 0` is ______.

Options

  • 30°

  • 45°

  • 60°

  • 75°

MCQ
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Solution

The inclination of the line `sqrt3 − 3y + 7 = 0` is 30°.

Explanation:

Given, equation:

⇒ `sqrt3 − 3y + 7 = 0`

⇒ `3y = sqrt3 + 7`

⇒ y = `(sqrt3)/3x + 7/3`

⇒ y = `1/(sqrt3)x + 7/3`

Comparing above equation with y = mx + c, we get:

⇒ m = `1/(sqrt3)`

⇒ tan θ = tan 30°

⇒ θ = 30°

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Chapter 14: Equation of a Line - TEST YOURSELF [Page 200]

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Selina Concise Mathematics [English] Class 10 ICSE
Chapter 14 Equation of a Line
TEST YOURSELF | Q 1. (b) | Page 200
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