Write a compound inequality to represent all of the numbers between -4 and 6. Help me please
2 answers:
Answer:
-4 < x < 6
Step-by-step explanation:
We need to represent all the numbers between -4 and 6, that is -3, -2, -1, 0, 1, 2, 3, 4 and 5.
They are all greater than -4. We generalize it as -4 < x (x is greater than -4).
On the other hand, 6 is greater than all of them, that is x < 6.
As we need to write it as a compound inequality, we just combine the two inequalities we have:
-4 < x < 6 (we write the x just once)
If we want to add the -4 and the 6 in the inequality, we just include them with the appropriate sign:
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Option A
is one way to determine the factors of
by grouping
<em><u>Solution:</u></em>
Factoring by grouping means that you will group terms with common factors before factoring
<em><u>Given expression is:</u></em>
Group the first two terms together and then the last two terms together.
We can see that is common in first two terms
And 3 is common in last two terms
Factor them out
Thus option A is correct