Equation of a Circle Answers
3 verified answers
1
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Is Amit’s work correct?
A
No, he should have used the origin as the center of the circle.B
No, the radius is 10 units, not 5 units.C
No, he did not calculate the distance correctly.D
Yes, the distance from the center to (2, –2) is not the same as the radius.117504
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Answer:
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The local pizza restaurant offers free delivery if you live within a 6-mile radius of the restaurant. The restaurant is located at the origin. Ada’s house is 4 miles west and 5 miles north of the restaurant at point (–4, 5). Does Ada’s house lie on or within the circle representing the area that gets free delivery?
A
No, the distance from the restaurant to Ada’s house is miles, which is greater than the 6-mile maximum radius.
B
Yes, the distance from the restaurant to Ada’s house is exactly 6 miles.C
No, the distance from the restaurant to Ada’s house is 7 miles, which is greater than the 6-mile maximum radius.D
Yes, the distance from the restaurant to Ada’s house is miles, which is less than the needed 6-mile radius.
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