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Bad White [126]
3 years ago
13

15 points! What is the scale factor of the dilation?

Mathematics
1 answer:
maw [93]3 years ago
5 0

Answer: \frac{1}{2}

Step-by-step explanation:

Use the formula for calculate the distance between two points:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Calculate the distance AB. Substitute the coordinates into the formula. Then:

d_{AB}=\sqrt{(8-0)^2+(8-(-7))^2}

d_{AB}=17

Calculate the distance A'B'. Substitute the coordinates into the formula. Then:

d_{A'B'}=\sqrt{(2-6)^2+(1-5-(-6))^2}

d_{A'B'}=\frac{17}{2}

As you can see, the distance A'B' is the distance AB multiplied by 1/2. Therefore, this is the scale factor.

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