dyechelle2234 dyechelle2234

09-04-2018
Mathematics

contestada

If the equation of a circle is (x + 4)2 + (y - 6)2 = 25, its radius is:

Respuesta :

jmthielen1108 jmthielen1108

09-04-2018

The Radius is 5
Hope this helps

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penfila11Pen penfila11Pen

09-04-2018

Hey there :)

The equation of a circle is:
( x - h )² + ( y - k )² = radius²

Therefore, in this example,
( x + 4 )² + ( y - 6 )² = 25
25 = radius²
[tex] \sqrt{radius^2} = \sqrt{25} [/tex]
radius = 5

Ver imagen penfila11Pen

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