Answers33040de2 CONNECTED Summer T1 2026 Common Core Algebra I - S2Factoring Polynomials: Sum and Difference of Cubes

Factoring Polynomials: Sum and Difference of Cubes Answers

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Which product will result in a sum or difference of cubes?

(
(x + 7)(x2 – 7x + 14)
(
(x + 8)(x2 + 8x + 64)
(
(x – 9)(x2 + 9x + 81)
(
(x – 10)(x2 – 10x + 100)
3

Which statements are true about a perfect cube monomial and its roots? Check all that apply.A perfect cube monomial must have exponents on the variables.A perfect cube monomial must have three identical roots, such that the product of the roots equal the perfect square monomial.The coefficient of the monomial must be divisible by 3.Any monomial can be a perfect cube root.The least common multiple of all the exponents on variables of a perfect cube monomial must be 3.It must be possible for the coefficient of a perfect cube monomial to be written in the form n3, where n equals the cube root of the coefficient.

A
A perfect cube monomial must have exponents on the variables.
B
A perfect cube monomial must have three identical roots, such that the product of the roots equal the perfect square monomial.
C
The coefficient of the monomial must be divisible by 3.
D
Any monomial can be a perfect cube root.
E
The least common multiple of all the exponents on variables of a perfect cube monomial must be 3.
F
It must be possible for the coefficient of a perfect cube monomial to be written in the form n3, where n equals the cube root of the coefficient.
4

Which is the factorization of x3 + 8?

(
(x + 2)(x2 – 2x + 4)
(
(x – 2)(x2 + 2x + 4)
(
(x + 2)(x2 – 2x + 8)
(
(x – 2)(x2 + 2x + 8)
5

What is 125x9 + 64y12 written as a sum of cubes?

(
(25x3)3 + (4y4)3
(
(5x3)3 + (16y4)3
(
(25x3)3 + (8y4)3
(
(5x3)3 + (4y4)3
6

Which is a difference of cubes?

x
x6 – 27
x
x15 – 36
x
x16 – 64
x
x5 – 125
8

The factorization of 8x3 – 125 is (2x – 5)(jx2 + kx + 25). What are the values of j and k?

j
j = 6 and k = –10
j
j = 8 and k = 10
j
j = 4 and k = 25
j
j = 4 and k = 10
10

Which expression is equivalent to ?

Question illustration
6
6xy2z4
1
18xy3z6
3
36xy2z4
7
72xy3z6

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