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Mathematics
Mathematics
Problem
1. a Express
x
2
−
4
x
+
7
x^2 - 4x + 7
x
2
−
4
x
+
7
in the form
(
x
−
h
)
2
+
k
(x - h)^2 + k
(
x
−
h
)
2
+
k
. 2. b Hence sketch the graph of
y
=
x
2
−
4
x
+
7
y = x^2 - 4x + 7
y
=
x
2
−
4
x
+
7
, labelling the coordinates of the vertex and any axis intercepts.
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