i really need help with this question i received a wrong answer i don't have as many points to spend this time if you want 50 points you can go to my previous question to answer there if you want

Answer:
Step-by-step explanation:
let the eq. be
y=a(x-2)(x-4)+b
x=0,y=-2
-2=a(0-2)(0-4)+b
-2=8a+b
when x=6,y=-2
-2=a(6-2)(6-4)+b
-2=8a+b
when x=8,y=-6
-6=a(8-2)(8-4)+b
-6=24a+b
16a=-4
a=-1/4
-2=-2+b
b=0
y=-1/4(x-2)(x-4)
y=-1/4(x^2-6x+8)
y=-1/4x^2+3/2x -2
when x=1
y=-1/4(1-2)(1-4)
y=-3/4