Sum and Difference of Two Cubes Answers
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What is the factored form of ?
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What is the justification for the first step in proving the formula for factoring the sum of cubes?a3 + b3 = (a + b)(a2 – ab + b2) = a3 – a2b + ab2 + a2b – ab2 + b3
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distributive propertyB
commutative propertyC
definition of additive inverseD
definition of multiplicative inverse4
Which long division problem can be used to prove the formula for factoring the difference of two perfect cubes?
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Which expression is a sum of cubes?
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Starting with the formula for the difference of cubes, which pair of steps can be used to show that the expressions are equivalent?
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Apply the distributive property, and then combine like terms.B
Combine like terms, and then apply the distributive property.C
Apply the commutative property, and then combine like terms.D
Combine like terms, and then apply the commutative property.7
What is the cube root of ?
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What is the factored form of ?
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What is the cube root of ?
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Which expression is a perfect cube?
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What is the factored form of ?
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