Question

The slope of the line which makes an angle 45° with the line 3x – y = – 5 are

(a) 1, -1 

(b) 1/2 - 2

(c) 1, 1/2

(d) 2, -1/2

Answer 1

(c) 1, 1/2

Equation of line 3x – y = -5, y = 3x + 5, m₁ = 3

Angle between two lines θ = 45°