What is the equation of the line whose y-intercept is - 3/4 and making an angle of 45° with the positive x-axis?

Answer: Option A

Standard equation of the line y = mx + c
∴ m = tanθ = tan45° (θ = 45°)
Given
m = 1
∴ c = $$-\frac{3}{4}$$
New required equation of the line ⇒ y = mx + c
⇒ y = 1 × x $$-\frac{3}{4}$$
⇒ 4y = 4x - 3
⇒ 4x - 4y = 3