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Mathematics 19 Online
OpenStudy (anonymous):

Which statement is equivalent to |x + 8| > 15? 1)x + 8 > 15 2)x + 8 < -15 3)x + 8 > 15 or x + 8 < -15 4)-15 < x + 8 < 15

OpenStudy (anonymous):

thanks!

OpenStudy (anonymous):

It's 3

OpenStudy (anonymous):

This tells you that x>7 or x<-23, Try inputting -24 (for example) into the equation and you'll see it works:\[\left| -24+8 \right|>15\]Or,\[\left| -16 \right|>15\]Which gives,\[16>15\]Viola!

OpenStudy (anonymous):

haha!

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