Thursday

July 24, 2014

July 24, 2014

Posted by **victoria** on Thursday, December 19, 2013 at 11:56am.

a) x <-36

b) x <-20

c) x <20

d) x <36

2. p/8 > -5

a) p > 40

b) p > 3

c) p > -13

d) p > -40

3. -8x > -64

a) x < 8

b) x > 8

c) x <-72

d) x > 72

- math -
**Reiny**, Thursday, December 19, 2013 at 12:07pmTreat these as if they were equations but keeping the in-equality sign instead of the equal sign,

EXCEPT

when you multiply or divide the in-equation by a negative, you must reverse the inequality sign.

e.g.

last one:

-8x > -64

I would have to divide by -8 to get +x , so

x < 8

1st one:

x + 8 < -28

x < -28 - 8 , I did not multiply/divide so no big deal

x < -36

you do #2, let me know what you get

- math -
**victoria**, Thursday, December 19, 2013 at 12:15pmd ?

- math -
**Reiny**, Thursday, December 19, 2013 at 12:18pmyes, but be more confident in your choice

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