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 Cubes and Cube Roots 34 Flashcards |
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What is the cube of the number 3? |
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27 (3³ = 27) |
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True or False: The cube of a positive number is always negative. |
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False. The cube of a positive number is always positive. |
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The cube root of 64 is ______. |
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64 = (2 x 2) x (2 x 2) x (2 x 2)
64 = (2 x 2) 3 64 = (4) 3 Hence, the cube root of 64 = 4 |
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Riddle: I can be positive or negative, but when cubed, I reveal my true nature. What am I? |
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A number |
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Which of the following numbers is a perfect cube? A) 100 B) 125 C) 200 D) 300 |
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B) 125 |
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What is the prime factorization of 216? |
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2 × 2 × 2 × 3 × 3 × 3 |
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Fill in the blank: The cube root of x is denoted as ______. |
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∛x |
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True or False: The cube root of a negative number is always a negative number. |
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True. |
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Which of the following is the cube root of 343? A) 6 B) 7 C) 8 D) 9 |
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B) 7 |
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Fill in the blank: To find the cube root of a product, we use the formula ______. |
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∛(x × y) = ∛x × ∛y |
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What is the cube of -3? |
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-27 ((-3)³ = -27) |
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True or False: The cube of an even number is always even. |
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True. |
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Find the smallest number to divide 6750 to make it a perfect cube. The extra factor is ______. |
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2 |
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Riddle: I am the number that results from 5 multiplied by itself three times. What am I? |
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125 |
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Which of the following is a property of cubes? A) Cubes are always prime B) Cubes of odd numbers are odd C) Cubes can never be negative D) Cubes are always multiples of 10 |
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B) Cubes of odd numbers are odd |
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Fill in the blank: A number is a perfect cube if it is the cube of an ______. |
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Integer |
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What is the cube root of 0.027? |
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0.3 |
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Completed! Keep practicing to master all of them. |
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