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Mathematics
Mathematics
Problem
The graph of a quadratic polynomial touches the
x
x
x
-axis at
(
2
,
0
)
(2,0)
(
2
,
0
)
(a double root) and passes through the point
(
0
,
8
)
(0,8)
(
0
,
8
)
. Which equation represents this polynomial? a)
y
=
x
2
−
4
x
+
4
y = x^{2}-4x+4
y
=
x
2
−
4
x
+
4
b)
y
=
−
2
x
2
+
8
x
−
8
y = -2x^{2}+8x-8
y
=
−
2
x
2
+
8
x
−
8
c)
y
=
2
x
2
−
8
x
+
8
y = 2x^{2}-8x+8
y
=
2
x
2
−
8
x
+
8
d)
y
=
2
x
2
+
8
x
+
8
y = 2x^{2}+8x+8
y
=
2
x
2
+
8
x
+
8
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