Friday
April 25, 2014

Homework Help: Math

Posted by Jon on Sunday, February 24, 2008 at 6:31pm.

1)Solve 3+2(1-x)>6 or 2x+14<=8. Graph the solution set on a number line.

The number line I'm working with is:
-4 -3 -2 -1 0 1

First solution:
3+2-2x>6
5-2x>6
-2x>1
x> -1/2
for the graph, I have an open circle between 0 and 1 and the arrow going right.

Second solution:
2x+14<=8
2x<= -6
x<= -3
for the graph, I have a closed circle on the -3 and the arrow going left.

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