plz help bbbbbbbbbbbbb

Answer:
y = -2x + 1
Step-by-step explanation:
y = mx + b (m is the slope and b is the y-intercept)
y = mx + 1
Equation for slope: [tex]\frac{y1-y2}{x1-x2}[/tex]
(0,1) (1,-1)
[tex]\frac{1+1}{0-1}[/tex] = [tex]\frac{2}{-1}[/tex] = -2
y = -2x + 1