Answer:
Step-by-step explanation:
y=-2x²+16x-35
=-2(x²-8x+16-16)-35
=-2(x²-8x+16)+32-35
=-2(x-4)²-3
axis of symmetry is x-4=0
or x=4
y=2x^2+16x-35
a=2, b=16
x= -[tex]\frac{16}{2x2}[/tex]
x=-4