Through (-4, 0), slope = 1/4

Answer 1

y = mx + b
you know m = 1/4
y = (1/4)x + b
you know (-4,0) lies on it
0 = (1/4)(-4) + b
0 = -1 + b
b = 1

y = (1/4)x + 1

or

y - 0 = (1/4)(x+4), using the point-slope form
y = (1/4)x + 1