Here are some graphs - Edexcel - GCSE Maths - Question 14 - 2017 - Paper 2
Question 14
Here are some graphs.
A
B
C
D
E
F
G
H
I
In the table below, match each equation with the letter of its graph.
Equation
Graph
$y = ext{sin } x$
$y = x^... show full transcript
Worked Solution & Example Answer:Here are some graphs - Edexcel - GCSE Maths - Question 14 - 2017 - Paper 2
Step 1
Match the equation $y = ext{sin } x$
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Answer
The graph of y=extsinx is a periodic function oscillating between -1 and 1. This corresponds to Graph E.
Step 2
Match the equation $y = x^2 + 4x$
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Answer
The graph of y=x2+4x is a parabola opening upwards. It also has its vertex at the minimum point. This corresponds to Graph C.
Step 3
Match the equation $y = 2$
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Answer
The equation y=2 represents a horizontal line across the two y-axis at y=2. This corresponds to Graph F.
Step 4
Match the equation $y = rac{4}{x}$
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Answer
The graph of y = rac{4}{x} is a hyperbola with asymptotes along the axes. This corresponds to Graph G.
