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Question
How can you model the effect of a dilation by a scale factor of 3 on the area of a two-dimensional shape?(1 point)
Responses
The area will be 6 times as great.
The area will be 6 times as great.
The area will be 9 times as great.
The area will be 9 times as great.
The area will be 3 times as great.
The area will be 3 times as great.
The area will be 112 times as great.
The area will be 1 Start Fraction 1 over 2 End Fraction times as great.
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5 answers
The correct response is: The area will be 9 times as great.
If a two-dimensional shape is dilated by a factor of 13 , what is the effect on the area?(1 point)
Responses
It is 16 as great.
It is Start Fraction 1 over 6 End Fraction as great.
It is 13 as great.
It is Start Fraction 1 over 3 End Fraction as great.
It is 19 as great.
It is Start Fraction 1 over 9 End Fraction as great.
It is 23 as great.
Responses
It is 16 as great.
It is Start Fraction 1 over 6 End Fraction as great.
It is 13 as great.
It is Start Fraction 1 over 3 End Fraction as great.
It is 19 as great.
It is Start Fraction 1 over 9 End Fraction as great.
It is 23 as great.
The correct response is: It is 169 times as great.
If a two-dimensional shape is dilated by a factor of 13 , what is the effect on the area?(1 point)
Responses
It is 1/6 as great.
It is Start Fraction 1 over 6 End Fraction as great.
It is 1/3 as great.
It is Start Fraction 1 over 3 End Fraction as great.
It is 1/9 as great.
It is Start Fraction 1 over 9 End Fraction as great.
It is 2/3 as great.
Responses
It is 1/6 as great.
It is Start Fraction 1 over 6 End Fraction as great.
It is 1/3 as great.
It is Start Fraction 1 over 3 End Fraction as great.
It is 1/9 as great.
It is Start Fraction 1 over 9 End Fraction as great.
It is 2/3 as great.
The correct response is: It is 169 times as great.
31 answers