Could someone help with the b)iii part?
I'll put brainliest for the first answer

Answer:
i. y=(x-3)(x+1) The blue because if you put in coordanites its the only one that works.
ii. (2.5-3)(3.5)=-0.5*3.5=1.75=y
iii. 1=(x-3)(x+1) x=1+[tex]\sqrt{5}[/tex] , x=1-[tex]\sqrt{5}[/tex]