Examine the function $y = x^2 - 4x + 3$ and determine:
if the curve has a maximum or minimum point?
the function's zeroes
the function's line of symmetry,
coordinates of the turning point
algebra-precalculusfunctions
asked 2012-04-01
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Have you calculus techniques at hand? – 2012-04-01
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Have you tried completing the square? – 2012-04-01
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Note that you can easily factor the function into $(x-3)$$(x-1)$. Your zeroes should be obvious from that. And, I second David Mitra's comment. Some derivatives would make this process for extrema slightly easier. – 2012-04-01