Does the equation x^2 - 4x + y^2 = -3 intersect the y-axis?

A) Yes, because the center is on the y-axis.
B) No, because the center is a (2, 0) and the radius is 1.
C) No, because the circle is entirely in the first quadrant.
D) Yes, because the center is at (-2, 0) and the radius is 3.

Question

Does the equation x^2 - 4x + y^2 = -3 intersect the y-axis? 
 
  A)    Yes, because the center is on the y-axis.    
  B)    No, because the center is a (2, 0) and the radius is 1.    
  C)    No, because the circle is entirely in the first quadrant.    
  D)    Yes, because the center is at (-2, 0) and the radius is 3.

asnaseer · Answer

what is the value of x anywhere along the y-axis?

asnaseer · Answer

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