Please help me with these questions! I have to show work and complete all of this but I'm confused. It is due at 11:59 please he
lp! Can you show it on paper please thank you!!
2 answers:
Step-by-step explanation:
<em>there's</em><em> </em><em>the</em><em> </em><em>first</em><em> </em><em>like</em><em>,</em><em> </em><em>7</em>
<em>#1</em><em> </em><em>is</em><em> </em><em>the</em><em> </em><em>one</em><em> </em><em>closest</em><em> </em><em>to</em><em> </em><em>the</em><em> </em><em>face</em>
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Answer:
where y is positive.
The 2y in the denominator is not inside the fourth root
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Work Shown:
The idea is to get something of the form in the denominator. In this case,
To be able to reach the , your teacher gave the hint to multiply top and bottom by
For more examples, search out "rationalizing the denominator".
Keep in mind that only works if y isn't negative.
If y could be negative, then we'd have to say . The absolute value bars ensure the result is never negative.
Furthermore, to avoid dividing by zero, we can't have y = 0. So all of this works as long as y > 0.