Answer:
the answer is (1/2,8)
rewrite y=7-4x-4x^2 as y=-4x^2-4x+7
a=-4, b=-4, c=7
x=-(-4)/2(-4)
x= -1/2
plug -1/2 in for x
-4( -1/2)^2-4( -1/2)+7
y=8
Step-by-step explanation:
Hope this helped