oragamifox1121 oragamifox1121

18-05-2021
Mathematics

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If (m, −4) is on a circle with center (3, −4) and radius 8, what is a value of m? m = 10

m=10
m = −5
m equals three plus or minus square root of 39 end square root
m = 5

Respuesta :

cjdionv cjdionv

18-05-2021

Hello,

Answer C m=-12

Step-by-step explanation:

(x+4)²+(y+3)²=8²

y=-3

(x+4)²=8²

==>(x+4-8)(x+4+8)=0

==>x=4 or x=-12

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