The equation of a circle is given below . Identify the center and the radius. x ^ 2 + y ^ 2 + 8x - 4y + 11 = 0
1 answer:
Answer:
Centre: (-4,2)
Radius: 3
Step-by-step explanation:
h = 8/-2 = -4
k = -4/-2 = 2
(-4)² + 2² - 11 = r²
r² = 9
r = 3
You might be interested in
Answer:
45
Step-by-step explanation:
90+2x=180
2x=180-90
2x=90
x=90/2
x=45
Answer: f(x+1) =2x^2 -3x-12
Hope this helps ʕ•ᴥ•ʔ
Answer:
s=0.20p
Step-by-step explanation:
=
absolute values are always positive.
