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Math
·
Advanced Math
·
Nonlinear functions
easy
The given equation relates the variables
x
and
y
:
y
=
x
2
−
18
x
+
51
.
For what value of
x
does the value of
y
reach its minimum?
A
-18
B
9
C
18
D
51
For what value of \(x\) does the value of \(y\) reach its minimum? | Math SAT Question | Ronan SAT