Back to forum
Desmos Graphing Calculator
Calc
Reference
Copy
Math
·
Advanced Math
·
Nonlinear functions
medium
Function
f
is a quadratic function where
f
(
−
20
)
=
0
and
f
(
−
4
)
=
0.
The graph of
y
=
f
(
x
)
has a vertex at
(
r
,
−
64
)
.
What is the value of
r
?
1
-12
Function \(f\) is a quadratic function where \(f(-20)=0\) and \(f(-4)… | Math SAT Question | Ronan SAT