1.

The inclination of the line x – y + 3 = 0 with the positive direction of x-axis is(A) 45° (B) 135° (C) – 45° (D) –135°

Answer»

(A) is the correct answer. The equation of the line x – y + 3 = 0 can be rewritten as y = x + 3 ⇒ m = tan θ = 1 and hence θ = 45°.



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