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goldfiish [28.3K]
3 years ago
13

???Please help because I don’t understand this at all~Question is the picture

Mathematics
2 answers:
Studentka2010 [4]3 years ago
7 0

Answer:

You will know that b<a

Step-by-step explanation:

Why? Well, it is simple really. They are OPPOSITES. Therefore, the inequality will be opposite.

Example:

    a=1, b=2

    1<2

    a's opposite=-1, b's opposite=-2

    -1>-2

  -2<-1

sp2606 [1]3 years ago
4 0

When we multiply both sides of an inequality by a negative number the sense of the inequality is swapped.

So if we multiply both sides of

a < b

by -1 we find that

-a > -b

Answer: -a > -b

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