milessims3953
20.09.2019 •
Mathematics
Which must be true of a scale factor of a dilation if the image is smaller than the original figure?
a. the scale factor is negative.
b. the scale factor is between −1
-1 and 0
c. the scale factor is between 0 and 1.
d. the scale factor is positive.
which of the following are true about dilations? select all that apply.
a. dilations have the same shape as the original image.
b. dilations can be enlargements of the original image.
c. dilations can be reductions of the original image.
d. dilations have the same shape and size as the original image.
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Ответ:
Part 1) Option C. The scale factor is between 0 and 1
Part 2)
Dilations have the same shape as the original image
Dilations can be enlargements of the original image
Dilations can be reductions of the original image
Step-by-step explanation:
Part 1) we know that
When the scale factor is greater than 1, the image is greater than the original figure
When the scale factor is less than 1 and greater than zero, the image is smaller than the original figure
therefore
Must be true
The scale factor is between 0 and 1
Part 2) Which of the following are true about dilations? Select all that apply
Verify each case
case A) Dilations have the same shape as the original image
The statement is true
The dilation not change the shape of the figure
case B) Dilations can be enlargements of the original image
The statement is true
Dilations can be enlargements or reductions of the original figure
case C) Dilations can be reductions of the original image
The statement is true
Dilations can be enlargements or reductions of the original figure
case D) Dilations have the same shape and size as the original image
The statement is false
Dilations have the same shape but not the same size as the original image
Ответ:
Part 1: C. The scale factor is between 0 and 1
Part. 2: A, B, and C ( Dilations have the same shape as the original image, Dilations can be enlargements of the original image, and Dilations can be reductions of the original image.)
Explanation:
I got the question right.
Hope this Helps!
Ответ:
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Step-by-step explanation: