18:00
1 of 5
Higher
Non-calculator
A11 Roots and turning points
Question 1 · 5 marks
Spec and skills
Paper scope: Paper 1: non-calculator practice
Spec A11
Spec A18
Spec A12
Original practice question
Answer and supported method checks
The curve
y
=
(
x
−
3
)
(
x
+
5
)
y = (x - 3)(x + 5)
y
=
(
x
−
3
)
(
x
+
5
)
is a parabola.
(a)
Write down the coordinates of the points where the curve crosses the
x
x
x
-axis.
1 mark
xⁿ
a/b
√
π
(
)
i