
is the equation of a circle centered at

with radius

.
Here

,

, and

. So the answer is (C)
Answer:
x = 4
Step-by-step explanation:
Sqrt14 = 3.74 (2dp)
The principal root is always the positive.
2x -4y=20
-4y=-2x+20
Y= 1/2x - 5 that’s the answer
Answer:
D+B 12
Step-by-step explanation: