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

User Ri
by
6.3k points

2 Answers

1 vote

Answer:

Yes, because the center is on the x-axis?

Explanation:

User Tomer Shemesh
by
6.2k points
5 votes
We can rewrite the equation into:
(x-2)^2+y^2=1

Therefore the circle's centre is that (2,0). Since the circle's centre lies on the x axis, the circle must intersect the x-axis.
User Constellates
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6.2k points
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