I feel a little dumb because I went through all the torture of solving for a using the quadratic formula and then plugging it in the second equation and simplifying, and then, when I checked my work by starting with the second equation, realized how easily it came out. Doh!
Nice. I wonder how much harder this is for students when presented without the choices?
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ReplyDeleteI feel a little dumb because I went through all the torture of solving for a using the quadratic formula and then plugging it in the second equation and simplifying, and then, when I checked my work by starting with the second equation, realized how easily it came out. Doh!
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