Michaeljhernandez Michaeljhernandez
  • 28-05-2020
  • Mathematics
contestada

based on the following equation. what is the radius of this circle?
(x-3)+(y+2)^2=4

Respuesta :

jimrgrant1 jimrgrant1
  • 28-05-2020

Answer:

r = 2 units

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

(x - 3)² + (y + 2)² = 4 ← is in standard form

with r² = 4 ⇒ r = [tex]\sqrt{4}[/tex] = 2

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