Answer: He should have used the mean to determine the average because the data sets are approximately symmetric.
Step-by-step explanation
Answer:
a is a 1 and then you subtraction the b is equal 0
I think the answer is c.
Hope this helped!
<u>Answer</u>
Center: (1,-12)
Radius: 5
<u>Work</u>
+
-2x+24y+120=0 (Subtract 120 on both sides and rearrange)
-2x++24y=-120 (Then divide 2 by 2 and square it. Do the same for 24.)
-2x+1++24y+144=-120+1+144 (You have to add the same numbers on both sides)
(Simplify)
So you would put (1,-12); r=5
