17ibennett 17ibennett
  • 12-06-2021
  • Mathematics
contestada

find the centre and radius for this circle , x^2+y^2=25

Respuesta :

jimrgrant1 jimrgrant1
  • 12-06-2021

Answer:

centre = (0, 0 ), radius = 5

Step-by-step explanation:

The equation of a circle centred at the origin is

x² + y² = r² ( r is the radius )

x² + y² = 25 ← is in this form

with centre = (0, 0 ) and r = [tex]\sqrt{25}[/tex] = 5

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