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lovejesusalways lovejesusalways
  • 15-04-2015
  • Mathematics
Answered

Which numbers are solutions to the inequality x < −7, using the replacement set {−15, −10.5, −7.2, −7, 0}?

Choose all answers that are correct.


A.

–7


B.

−7.2


C.

−10.5


D.

−15

Verified Answer :

iGreen
iGreen iGreen
  • 15-04-2015

Find all the number in the set that are less than -7.

The 'bigger' the negative number seems, the smaller it is.

So -15, -10.5, and -7.2 are all less than -7.

Answer Link
eu99li
eu99li eu99li
  • 15-04-2015

-15<-10.5<-7.2<-7(<0)

x∈{-15, -10.5, -7.2}. These are less than -7

Answer: B, C, D

Answer Link

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