Respuesta :

Y2 -y1
X2-x1


4-7 = -3
9-3 = 6


Slope = -3/6 which mean -1/2


Y= -1/2x+b
Find b

4= -1/2(4) + b

4= = -2+b
Add 2 from both sides

6= b


Y= -1/2+6

This would help