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28 votes
Which inequality is true when the value of z is – 1? O z - 6 < -8.5 O -Z - 6 < -8.5 Sub 0 - 2 - 6 > 8.5 O -Z - 6 > -8.5

User Leopold
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2.7k points

1 Answer

21 votes
21 votes

Which inequality is true when the value of z is – 1?

O z - 6 < -8.5

O -Z - 6 < -8.5

0 - 2 - 6 > 8.5

O -Z - 6 > -8.5​

__________________

Replacing -1

O z - 6 < -8.5

(-1) -6 < - 8.5

-7 < -8.5

FALSE

O -Z - 6 < -8.5

-(-1) - 6 < -8.5

- 5 < -8.5

FALSE

0 - z - 6 > 8.5

(-1) -6 > 8.5

-5 > 8.5

FALSE

O -Z - 6 > -8.5​

-(-1)- 6 > -8.5​

-5 > -8.5

TRUE

______________________

Answer

-Z - 6 > -8.5​

User Tawfik Bouabid
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3.2k points