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Edexcel 9MA0
Papers 1 and 2 · Pure
2.3 Algebra and functions
Question 1 · 7 marks
Calculator allowed
Spec and skills
Paper scope: Pure 1/2
Spec P2.3
Original practice question
The curve
C
C
C
has equation
y
=
2
x
2
−
12
x
+
13
y = 2x^2 - 12x + 13
y
=
2
x
2
−
12
x
+
13
.
(a)
Write
2
x
2
−
12
x
+
13
2x^2 - 12x + 13
2
x
2
−
12
x
+
13
in the form
a
(
x
+
b
)
2
+
c
a(x + b)^2 + c
a
(
x
+
b
)
2
+
c
,
where
a
a
a
,
b
b
b
and
c
c
c
are constants to be found.
3 marks
x
xⁿ
a/b
√
π
(
)