Page Summary: We can focus on a ≥ 0 because a ≤ 0 gives an upward parabola intersecting the top of the circle at a single real point. Selected region is also easy because both x and y are positive so x = x and y = y.
2018 Amc 10a Problem 12 -
We can focus on a ≥ 0 because a ≤ 0 gives an upward parabola intersecting the top of the circle at a single real point. Selected region is also easy because both x and y are positive so x = x and y = y.
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- We can focus on a ≥ 0 because a ≤ 0 gives an upward parabola intersecting the top of the circle at a single real point.
- Selected region is also easy because both x and y are positive so x = x and y = y.
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