Answer:
X is P and Y is C
Step-by-step explanation:
Since
y
is on the right side of the equation, switch the sides so it is on the left side of the equation.
−
0.5
y
2
+
9
y
−
25
=
x
y
Subtract
x
y
from both sides of the equation.
−
0.5
y
2
+
9
y
−
25
−
x
y
=
0
Use the quadratic formula to find the solutions.
−
b
±
√
b
2
−
4
(
a
c
)
2
a
Substitute the values
a
=
−
0.5
,
b
=
9
−
x
, and
c
=
−
25
into the quadratic formula and solve for
y
.
−
(
9
−
x
)
±
√
(
9
−
x
)
2
−
4
⋅
(
−
0.5
⋅
−
25
)
2
⋅
−
0.5
Simplify.
