The phrases that are inequalities are:
B) -2 < 2
D) 7w > 5.6
E) f - 4 - 7 > 7 - 4 - f
First, we define an equation as:
[tex]P = Q[/tex]
Where P and Q are two expressions.
On the other hand, an inequality can be:
[tex]P > Q\\P < Q\\P \neq Q\\P \geq Q\\P \leq Q[/tex]
These are inequalities because now the expressions P and Q can (and in some cases must) be different.
With that in mind, the phrases that are inequalities are:
B) -2 < 2
D) 7w > 5.6
E) f - 4 - 7 > 7 - 4 - f
As you can see, in these 3 we have the "lower than" or "larger than" symbols used, so these represent inequalities.
If you want to learn more about inequalities:
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