Math Problem Statement
Solution
The expression provided in the image is:
[ \sqrt[3]{-54} \cdot \sqrt[3]{\frac{1}{2}} ]
Let's break it down step by step:
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Cube root of -54: [ \sqrt[3]{-54} = -\sqrt[3]{54} ] The cube root of 54 is approximately , so:
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Cube root of : [ \sqrt[3]{\frac{1}{2}} = \frac{\sqrt[3]{1}}{\sqrt[3]{2}} = \frac{1}{\sqrt[3]{2}} \approx \frac{1}{1.26} \approx 0.7937 ]
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Multiplying both values:
Thus, the value of the expression is approximately:
Would you like more details or have any questions?
Here are 5 follow-up questions based on this problem:
- How do you compute the cube root of a negative number?
- What is the cube root of a fraction and how is it calculated?
- Can the cube root of a number ever result in an imaginary number?
- Why does multiplying a negative number by a positive number result in a negative number?
- How is the cube root different from the square root in terms of properties?
Tip: When dealing with cube roots, remember that cube roots of negative numbers are also negative, unlike square roots, which are imaginary when the number is negative.
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Math Problem Analysis
Mathematical Concepts
Cube Roots
Multiplication of Real Numbers
Negative Numbers
Formulas
cube root(a) = a^(1/3)
cube root(a/b) = (cube root(a))/(cube root(b))
Theorems
Properties of Cube Roots: Cube roots of negative numbers are negative
Multiplication Theorem: Negative multiplied by positive is negative
Suitable Grade Level
Grades 8-10