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Mathematics
Problem
The value of
p
p
p
such that the vertex of
y
=
x
2
+
2
p
x
+
13
y = x^2 + 2px + 13
y
=
x
2
+
2
p
x
+
13
is 4 units above the X-axis is a.
±
2
\pm 2
±
2
b. 4 c.
±
3
\pm 3
±
3
d. 5
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