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Foundation
Non-calculator
A9 Straight-line graphs
Question 1 · 3 marks
Spec and skills
Paper scope: Paper 1: non-calculator practice
Spec A9
Spec A10
Original practice question
Answer and supported method checks
A straight line has equation
y
=
2
x
−
1
y = 2x - 1
y
=
2
x
−
1
.
(a)
Work out the value of
y
y
y
when
x
=
−
1
x = -1
x
=
−
1
.
1 mark