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Mathematics 14 Online
OpenStudy (anonymous):

Can anybody please help explain how to solve this?

OpenStudy (anonymous):

OpenStudy (mathmate):

|dw:1375018049809:dw| If the graph looks like this, then the inequality would be: (x-1)(x-5)>=0 which translates to x^2-6x+5 >=0 Even though it does not match any of the answers, a little transformation will convert it to one of the answers. Can you spot it?

OpenStudy (anonymous):

Hmm... is B the answer?

OpenStudy (mathmate):

Right on!

OpenStudy (mathmate):

We multiply x^2-6x+5 >=0 by -1 to get -x^2+6x-5 <=0 the inequality sign is reversed whenever we multiply an inequality by a negative number.

OpenStudy (anonymous):

Thank you so much!!!

OpenStudy (mathmate):

yw

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