Transformations of Graphs (Cambridge (CIE) IGCSE International Maths: Extended): Exam Questions

25 mins13 questions
1
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2 marks

Find the vector that translates the point left parenthesis 1 comma space 5 right parenthesis to the point left parenthesis negative 1 comma space 7 right parenthesis.

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2
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1 mark

F is the point left parenthesis 5 comma space 7 right parenthesis.
The vector that maps F onto the point G is open parentheses negative 1
space space space 3 close parentheses.

Find the coordinates of G.

(...................... , ......................)

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3
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2 marks

P is the point left parenthesis negative 3 comma space 6 right parenthesis.
Q is the point left parenthesis 0 comma space 2 right parenthesis.

Find the translation vector that maps the point P onto the point Q.

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4
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1 mark

open parentheses 7 comma space 13 close parentheses is a point on the graph y equals straight f open parentheses x close parentheses.

Write down the coordinates of a point which must be on the graph of y equals straight f open parentheses x close parentheses minus 2.

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5
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1 mark
Graph of a parabola opening upwards, labelled "y = f(x)", crossing the y-axis at 0, and an identical parabola below it with the same point crossing the y axis at -5, on an xy coordinate plane.

A curve with equation space y space equals space straight f left parenthesis x right parenthesis space is translated so that the point at left parenthesis 0 comma space 0 right parenthesis is mapped to the point left parenthesis 0 comma space minus 5 right parenthesis.

Find the equation of the translated curve.

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6
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2 marks

The diagram shows a sketch of the graph of space y equals straight j open parentheses x close parentheses.

Graph of the function j(x) with x-axis from -10 to 10 and y-axis from -10 to 10, showing a curve with a minimum and a maximum.

On the same diagram, sketch the graph of space y equals straight j open parentheses x plus 2 close parentheses.

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1
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2 marks

The graph with equation space y equals x squared plus 2 undergoes a translation of 3 units to the right.

Show that the equation of the translated graph simplifies to y equals x squared minus 6 x plus 11.

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2
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2 marks

A curve with equationspace y space equals space straight f left parenthesis x right parenthesis spaceis translated so that the point at left parenthesis 0 comma space 0 right parenthesis is mapped onto the point left parenthesis 4 comma space 0 right parenthesis.

(i) Find the translation vector.

[1]

(ii) Find the equation of the translated curve.

[1]

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3
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2 marks
Graph of a quadratic function y=f(x) with vertex at (3, -4). Axes are labelled x and y.

The diagram shows part of the curve with equation y equals straight f open parentheses x close parentheses.
The coordinates of the minimum point of this curve are open parentheses 3 comma negative 4 close parentheses

Write down the coordinates of the minimum point of each of the curves below:

(i) y equals straight f open parentheses x close parentheses plus 3

[1]

(ii) y equals straight f open parentheses x plus 2 close parentheses

[1]

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4
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3 marks

The graph with equation space y equals x squared minus 4 x undergoes a translation of one unit in the negative x direction and five units in the positive y direction.

Find the equation of the translated graph.
Give your answer in the form y equals a x squared plus b x plus c.

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1
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2 marks

The graph of y equals cos open parentheses x minus 35 close parentheses for 0 degree less or equal than x less or equal than 360 degree crosses the x-axis at two points.

Write down the coordinates of the points where this occurs.

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2a
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2 marks

A curve with equation space y equals straight f left parenthesis x right parenthesis has one minimum point at P left parenthesis 3 comma long dash 4 right parenthesis.

Write down the coordinates of the minimum point of the curve with the equation  y space equals space straight f open parentheses x minus 5 close parentheses plus 6.

2b
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2 marks

Write down an equation of the graph if the minimum point is instead translated to the point open parentheses 0 comma space 0 close parentheses

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31 mark

The graph with equation space y equals x squared plus a x plus b undergoes a translation of two units in the positive x direction and four units in the negative y direction.

The equation of the translated graph is space y equals x squared minus x minus 10.

Find the values of a and b.

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