Respuesta :

r = -9
step-by-step explanation

y = 1.5x + b


take the one point we already know
(-14,3)

3= 1.5 (-14)+b
3=21+b
3-21=b
b= -18
y= 1.5x- 18

now we can put -6 in the equation to get y

y= 1.5(-6)- 18
y= -9 (-6,-9)