Question 3 of 16 in Graphs 2

Graphs 2

2 marks · Easy

The equation of a straight line is $y = 3x - 5$.

Work out the value of $y$ when $x = 4$.

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7 (±0)

Common mistakes: -7; -1

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Marking points

M1 · 1 mark · Substitutes $x = 4$ correctly into $y = 3x - 5$.

A1 · 1 mark · Correctly evaluates $y = 3(4) - 5 = 12 - 5 = 7$.

Worked solution

Substitute $x = 4$ into the equation:

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