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Mathematics 21 Online
OpenStudy (anikate):

what does a "double root at 4" on a graph look like?

jimthompson5910 (jim_thompson5910):

it means that you have a "parabolic" looking piece of the curve touch the x axis at 4 it doesn't cross over example |dw:1434337453732:dw|

jimthompson5910 (jim_thompson5910):

another example |dw:1434337490203:dw|

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