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Brogan needs to draw the graph of $y = -x^2 + 1$ - Edexcel - GCSE Maths - Question 7 - 2017 - Paper 1
Question 7
Brogan needs to draw the graph of $y = -x^2 + 1$. Here is her graph. Write down one thing that is wrong with Brogan's graph.
Worked Solution & Example Answer:Brogan needs to draw the graph of $y = -x^2 + 1$ - Edexcel - GCSE Maths - Question 7 - 2017 - Paper 1
Step 1
Write down one thing that is wrong with Brogan's graph.
Answer
One mistake in Brogan's graph is that it incorrectly depicts the shape of the parabola. The graph should project downward as the coefficient of is negative, indicating a maximum point at the vertex, not bending upwards. The correct graph should have the vertex at (0, 1) and open downwards, resembling an inverted 'U' shape.