(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

The line x+y=2a-1 intersects the circle x^{2}+y^{2}=a^{2}+3a-3 at point (m,n). When m*n reaches its minimum value, what is the value of a?

2. Relevant equations

Equation One

x + y = 2a - 1

Equation Two

x^{2}+ y^{2}= a^{2}+ 3a - 3

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# Homework Help: Intersection of a line and circle

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