Question

M=0 and the y-intercept is (0,-2)

Answer 1

y - y₁ = m(x - x₁)
y - (-2) = 0(x - 0)
y + 2 = 0(x) - 0(0)
y + 2 = 0(x) + 0(0)
y + 2 = 0x + 0
- 2 - 2
y = 0x - 2
y = -2