Q. 345.0( 1 Vote )

Equation of the l A. y + 2 = x + 1

B. y + 2 = 3 (x + 1)

C. y – 2 = 3 (x – 1)

D. y – 2 = x – 1

Answer :

Given equation of line is y = 3x – 1

Now, we find the slope of the above equation.

Since, the above equation is in y = mx + b form

So, m = 3

Now, we find the equation of line passing through the point (1, 2) and parallel to the given line with slope = 3

y – y₁ = m(x – x₁)

⇒ y – 2 = 3(x – 1)

Hence, the correct option is (c)

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Equation of the l A. y + 2 = x + 1B. y + 2 = 3 (x + 1)C. y – 2 = 3 (x – 1)D. y – 2 = x – 1