SOLUTION: which of the following points is not on the circle represented by the equation {{{(x-3)^2+(y+4)^2=25}}}? A. (6,0) B. (-1,-1) C. (4,1) D. None of these is on the circle

Question 375357: which of the following points is not on the circle represented by the equation ?
A. (6,0)
B. (-1,-1)
C. (4,1)
D. None of these is on the circle
Found 2 solutions by Fombitz, EdwinMcCravy:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Plug each point in the equation.
I'll do the first, you do the rest.

True, so (,) is on the circle.
Now you also know D) is not the solution.
Now check the remaining two points.

Answer by EdwinMcCravy(4) (Show Source): You can put this solution on YOUR website!
which of the following points is not on the circle represented by the equation ?
A. (6,0)
Let's find out if (6,0) is or is not on the circle. To do that sustitute
6 for x and 0 for y in the equation for the circle:

That is true so therefore (6,0) is a point on the circle with the
equation
-----------------------
B. (-1,-1)
Let's find out if (-1,-1) is or is not on the circle. To do that sustitute
-1 for x and -1 for y in the equation for the circle:

That is true so therefore (-1,-1) is a point on the circle with the
equation
-----------------------
C. (4,1)
Let's find out if (4,1) is or is not on the circle. To do that sustitute
4 for x and 1 for y in the equation for the circle:

That is false so therefore (4,1) is NOT a point on the circle with the
equation
Below is an accurate graph of the circle and you can see that (4,1)
is just above the circle whereas the other two points are right on
the circle.

Edwin
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