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Mathematics 19 Online
OpenStudy (anonymous):

Solve the inequality: (x + 3)(x - 5) > 0

ganeshie8 (ganeshie8):

easy way is to graph it, familiar wid graph of quadratic ?

OpenStudy (anonymous):

parabolas?

ganeshie8 (ganeshie8):

yes ! observe that given inequality is a quadratic

ganeshie8 (ganeshie8):

it cuts x axis at -3 and 5

ganeshie8 (ganeshie8):

|dw:1379623831602:dw|

ganeshie8 (ganeshie8):

|dw:1379623883389:dw|

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