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Mathematics 16 Online
OpenStudy (anonymous):

Choose the correct description of the graph of the inequality -x > 3.

OpenStudy (anonymous):

Open circle on -3, shading to the left. Closed circle on 3, shading to the left. Open circle on 3, shading to the right. Closed circle on -3, shading to the right.

OpenStudy (mathlegend):

Can you solve this for x first?

OpenStudy (mathlegend):

@almartinez26 'x' should be positive. So what can you divide by to make it positive?

OpenStudy (anonymous):

1?

OpenStudy (mathlegend):

by -1.

OpenStudy (mathlegend):

So once you do that we now have... x < -3 Because when you divide by a negative... the sign flips...

OpenStudy (mathlegend):

This says... x is less than -3, right?

OpenStudy (mathlegend):

Let me ask you... is the symbol pointing to the left or to the right?

OpenStudy (anonymous):

it will be x < -3. soooo it's open circle on -3 shading to the left, right?

OpenStudy (mathlegend):

Yes!!

OpenStudy (anonymous):

yay :D haha thanks it's just that the -x was confusing me

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