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Mathematics 89 Online
OpenStudy (anonymous):

Can someone draw a graph that represents the solution for the open sentence 4|p| – 7 < 9? It's just to make the beginning of this problem easier. :) Will fan and medal!

OpenStudy (agent0smith):

It'll be easier to draw the graph once you've solved it. 4|p| – 7 < 9 You want to get the absolute value by itself, so you'll need to add 7 to both sides first to get rid of the -7 on the left

OpenStudy (agent0smith):

like so\[\Large 4|p| – 7 +7 < 9 +7\]

OpenStudy (anonymous):

You're gonna make me do this all on my own, aren't you?

OpenStudy (agent0smith):

Wait.. what? There's only a couple more steps...

OpenStudy (anonymous):

Haha I know...

OpenStudy (agent0smith):

Haha okay :D

OpenStudy (anonymous):

Kay so I solved\[4|p|-14<16\]

OpenStudy (agent0smith):

What's -7 + 7?

OpenStudy (agent0smith):

"You want to get the absolute value by itself, so you'll need to add 7 to both sides first to get rid of the -7"

OpenStudy (anonymous):

0. Did I make a stupid mistake again?

OpenStudy (agent0smith):

\[\Large 4|p| – 7 +7 < 9 +7 \]becomes...

OpenStudy (anonymous):

|dw:1389133305994:dw| The shaded region is 4|p|-7<9

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