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Mathematics
Problem
If
a
<
b
a<b
a
<
b
and both sides are multiplied by
−
4
-4
−
4
, which of the following correctly represents the new inequality? a)
−
4
a
<
−
4
b
-4a < -4b
−
4
a
<
−
4
b
b)
−
4
b
>
−
4
a
-4b > -4a
−
4
b
>
−
4
a
c)
−
4
a
>
−
4
b
-4a > -4b
−
4
a
>
−
4
b
d)
4
a
<
4
b
4a < 4b
4
a
<
4
b
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