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Mathematics 19 Online
OpenStudy (anonymous):

PLEASE HELP!!!!!!!! what are the roots of the equation 2x²+7x+4=0

OpenStudy (precal):

use the quadratic formula a is 2 b is 7 and c is 4

OpenStudy (precal):

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OpenStudy (anonymous):

ok how do i solv ethis?

OpenStudy (anonymous):

solve*

OpenStudy (precal):

how were you taught to solve quadratics?

OpenStudy (precal):

look at your graph, the function is either going to touch the x axis, cross the x axis twice, or not cross it at all.

OpenStudy (precal):

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