Question

Find the vertex for y=3x^2-6x+5

Answer 1

The x value of the vertex in
ax^2+bx+c is -b/2a

y value is just sub for x


3x^2-6x+5
x value of vertex is -(-6)/(2*3)=6/6=1

sub back
y=3(1)^2-6(1)+5
y=3(1)-6+5
y=3-1
y=2

vertex is (1,2)