help me with this math pleace

Question

Write an equation of the line that passes through the points.

(0, −2), (4, −2)

Answer 1

slope = m = 0, y never changes, y always= -2

y=-2 is the equation through the two points

y=mx + b

y=(0)x + b

y = b

plug in either point to get

-2 = b

y=b= -2