Give a counterexample for the statement: 'All square roots are irrational numbers'. Explain your reasoning.
1 answer:
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Answer:
D.
Step-by-step explanation:
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We can group the first two terms and the last two terms.
<h3>Factor by Grouping</h3>Factoring by grouping is the process of breaking down larger polynomials to smaller ones to factor. We can then combine like factors.
In the second step, we can see that we can rewrite as
, as both the two terms share a common factor of
. We can pull out
from that expression. Similarly,
and
share a common factor of
, so we can pull that out.