Dilations (HSC SSCE Mathematics Advanced): Quizzes
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Practise the questions
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Practise the questions
10 questions from this quiz
What is a dilation?
What is a dilation?
A stretch/compression in one direction
What is the axis of dilation for a vertical dilation?
What is the axis of dilation for a vertical dilation?
The -axis
To stretch a graph horizontally by factor , what do you replace with?
To stretch a graph horizontally by factor , what do you replace with?
What is the result of applying vertical dilation factor 5 to ?
What is the result of applying vertical dilation factor 5 to ?
For the ellipse , what are the -intercepts?
For the ellipse , what are the -intercepts?
What makes an enlargement create a figure similar to the original?
What makes an enlargement create a figure similar to the original?
Same factor in both directions
What happens with a dilation factor between 0 and 1?
What happens with a dilation factor between 0 and 1?
The graph is compressed
What does a negative dilation factor combine?
What does a negative dilation factor combine?
A dilation and a reflection
What type of transformation is a dilation with factor ?
What type of transformation is a dilation with factor ?
A reflection
Where is the centre of enlargement normally located in the coordinate plane?
Where is the centre of enlargement normally located in the coordinate plane?
The origin