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Mathematics
Problem
Suppose
a
<
b
a<b
a
<
b
. Both sides are multiplied by
−
5
-5
−
5
. Which of the following statements is always true? a)
−
5
a
=
−
5
b
-5a=-5b
−
5
a
=
−
5
b
b)
−
5
a
<
−
5
b
-5a<-5b
−
5
a
<
−
5
b
c)
−
5
a
>
−
5
b
-5a>-5b
−
5
a
>
−
5
b
d) The relationship cannot be determined
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