097753 097753
  • 17-06-2021
  • Mathematics
contestada

ERRE
What is the radius of a circle whose equation is (x + 5)2 + (y - 3)2 = 42?
2 units
4 units
8 units
0 16 units

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 17-06-2021

Answer:

4 units

Step-by-step explanation:

(x + 5)^2 + (y - 3)^2 = 4^2

The equation for a circle is written in the form

(x -h)^2 + (y - k)^2 = r^2  where (h,k) is the center and r is the radius

The center is (-5,3) and the radius is 4

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