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For the equation shown above, what is the value of x ?
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12 Sep 2020, 07:58
12 Sep 2020, 07:58
1
Expert Reply
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Question Stats:
90% (01:02) correct
9% (02:58) wrong based on 43 sessions
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\((\sqrt[3]{64}+\sqrt[3]{x})^2=36\)
For the equation shown above, what is the value of x ?
A. 6
B. 7
C. 8
D. 12
E. 14
For the equation shown above, what is the value of x ?
A. 6
B. 7
C. 8
D. 12
E. 14
Re: For the equation shown above, what is the value of x ?
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28 Sep 2020, 21:28
28 Sep 2020, 21:28
1
Expert Reply
probably the best way is NOT to deal with the radical but to picking numbers.
We do have cube roots and among the answer choices only 8 is a perfect cube root. This is an hint
Using 8 we do have \((4+2)^2=36\) Which holds true.
C is the answer
We do have cube roots and among the answer choices only 8 is a perfect cube root. This is an hint
Using 8 we do have \((4+2)^2=36\) Which holds true.
C is the answer
Re: For the equation shown above, what is the value of x ?
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30 Sep 2020, 04:26
30 Sep 2020, 04:26
3
You dont need to perform any needless computation here
It's only 8 that has an integer cube square root and since the question is in integer form just pick and validate your answer by plugging it back to the question
Posted from my mobile device
It's only 8 that has an integer cube square root and since the question is in integer form just pick and validate your answer by plugging it back to the question
Posted from my mobile device
