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October 21, 2014

October 21, 2014

Posted by **B.B.** on Thursday, April 8, 2010 at 1:46pm.

I think that it should be a dashed line that should be a horizontal line but I'm not totally sure.

Could you please help me with this graph?

Thanks.

- Math -
**Reiny**, Thursday, April 8, 2010 at 3:29pmThe equation of your relations become the boundary lines,

if you are dealing with < or > , draw a dotted line, since the points on the actual line are not included

if you are dealing with ≤ or ≥ then draw a solid line to show the points on the actual line are part of the relation.

so for y >5

consider y = 5, which is a horizontal line 5 units above the x-axis.

but since it is > , draw a dotted line and shade in everything above the line (above for >, below for <)

Any equation of the form y = c is a horizontal line,

any equation of the form x = c is a vertical line

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