Graphs 6
2 marks · EasyA reciprocal graph is given by .
Calculate the value of when .
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2 (±0)
Common mistakes: Calculating 6x instead of 6/x; Incorrect substitution
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Marking points
M1 · 1 mark · Attempts to substitute x = 3 into the formula.
A1 · 1 mark · Writes the correct value y = 2.
Worked solution
Substitute into the equation:
So, .