y=ax^2+bx + c
first point
-1=9a -3b+c
second point
-2=4a-2b+c
so, two equations, three variables. You need to know y when x is zero to find c.
Find the equation of the quadratic function f whose graph is shown below.
Ponts on the graph are (-3,-1)(-2,-4)
f(x)=
3 answers
I don't understand what else do I need to do?
(2,6) (1,4) —> F(x) = ?