180 Days of Ideas for Discussion in Math Class.
(as of 9July2014, we're in overtime!)

Sunday, April 20, 2014

105: Linear or Quadratic?

Is the expression x² + 6x = x² - 8x + 4 "quadratic" or linear?

Would you consider x² + 6x = x² - 8x + 4 "quadratic" or, because the x² terms can be subtracted from both sides, linear? #mathchat
— David Wees (@davidwees)

This is not an expression, it is an equation. As such it is quadratic in form, but only has one solution.

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