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+1
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How does the graph of the circle described by (x+5)2+y2=100 change when its equation is changed to (x−1)2+(y+2)2=81 ?

Select each correct answer.

A. The circle's radius decreases.

B.The circle moves up.

C. The circle moves down.

D. The circle's radius increases.

E. The circle moves right.

F. The circle moves left.

lysxsa  Jun 7, 2018

Best Answer 

 #1
avatar+12561 
+3

Original circle:  Center   -5, 0    radius sqrt(100)=10

New circle 

    Center  1, -2     radius = 9

 

A C E

ElectricPavlov  Jun 7, 2018
 #1
avatar+12561 
+3
Best Answer

Original circle:  Center   -5, 0    radius sqrt(100)=10

New circle 

    Center  1, -2     radius = 9

 

A C E

ElectricPavlov  Jun 7, 2018

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