Data Sufficiency (DS) | Re: At how many points do the two graphs named as "First Graph" and "Secon

At how many points do the two graphs named as "First Graph" and "Second Graph" intersect?

1) The Equation of the first graph is x^2 + y^2 = 4
2) The second graph has equation y = ax^2 - 5 where a <0

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