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?
Answer
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.