Question

What are the minimum and maximum points of the function?
x^2-2x-3

Answer 1

since a is positive its gonna open upwards so its gonna have a minimum value

Answer 2

would the minimum be : (-1,0), maximum : none ?

Answer 3

min occur at -b/2a

Answer 4

b=-2 and a=1 here
so \[ \frac{ -(-2) }{ 2 }\]