Answer:
x y
-2 = 5
0 = 2
2 = -1
4 = -4
(X-x0)^2 +(y-y0)^2= r^2
R=4
R^2=16
(X-0)^2+(y-0)^2=16
this is your answer
Answer: 5/10 or 1/2
Step-by-step explanation:
To find how much longer, subtract to get the difference:
9/10 - 4/10 = 5/10
5/10 simplified is 1/2
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