_{0}.

Some students continue to use slope-intercept form in such context during the final.

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## Wednesday, May 19, 2010

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High school math education can be harmful

Every time I teach Calculus, I am pained by how students are so successfully trained by their high school math teachers to use slope-intercept form for finding equations of lines, even when point-slope equation should be used, such as in the typical problem of finding the tangent line of a curve y=f(x) at x=x_{0}.

Some students continue to use slope-intercept form in such context during the final.

Some students continue to use slope-intercept form in such context during the final.

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