Homework Help: algebra 1

Posted by janet on Friday, July 13, 2012 at 1:10pm.

Label each statement true or false if false correct the underlined portion.If -4<-2t+6<10,then this is the underlined 2>t+6>-5.

If this is underlined |y+8|+2=6,then this not underlined y+8=_+4.

Translate and solve.
the absolute value of three times a number,n,is greater than 15.

algebra 1 - Henry, Sunday, July 15, 2012 at 8:44pm
1. -4<-2t+6<10.
-10<-2t<4
Divide by -2 and reverse inequality sign:
5 > t > -2. True.

2. |y+8|+2 = 6.
|y+8| = 6-2 = 4
y+8 = +-4
Y = -8 +-4
Y = -4.
Y = -12.

3. |3n| > 15.
3n > 15
n > 5.

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