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Enlargement and Scale Factor Flashcards | StudBud
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Enlargement and Scale Factor
Enlargement and Scale Factor
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Find the scale factor and centre of enlargement
Flashcards
11 cards
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Practice quiz
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Questions
11
Answers
1
What's the scale factor of blue to red?
-2
1
2
1/2
2
What's the scale factor of blue to red?
1/2
-1/2
2
-2
3
What's the scale factor of red to blue?
-1/2
2
1/2
1
4
What's the scale factor of red to blue?
2
-2
-1/2
1/2
5
For the image to be reduced but on the opposite side of the object, the scale factor is ____
3
-3
0.5
-0.5
6
What's the scale factor of red to blue?
-1
-1/2
1/2
1
7
For the image to be enlarged from the object, the scale factor has to be _____
>1
<1
0
\ge1
8
If the scale factor is between 0 and 1, the image is ________
Enlarged
No answer
The same
Reduced
9
"Centre of Enlargement is only small to big shape."
False
True
10
How do we calculate Centre of Enlargement with a grid?
Can do measure method AND step method
Measure method
Trigonometry functions (sin, cos, tan)
Step method
11
What is the scale factor?
2
8
0.5
2.5
