AnswersFL-1200330-Algebra 2 Sem 1 - FlexMultiplication of Polynomials

Sum and Difference of Two Cubes Answers

21 verified answers
1
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Choose the expressions that are perfect cubes.

A
–3
B
125a6
C
8m20
D
100w24x3
E
–64q12
F
–c30d9f18g3
2
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Find the cube root.

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A
Option
Option A
B
Option
Option B
C
Option
Option C
D
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Option D
3

Simplify.

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Option A
B
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Option B
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Option C
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Option D
4

Choose the expressions that are sums or differences of two cubes.

A
64 + a12b51
B
–t6 + u3v21
C
8h45 – k15
D
75 – n3p6
E
–27 – xz9
5

Question text not available

Answers:
Selection 1:5q²
Selection 2:r²s
6

What is a? ✔ 2q²r8q²r2q³r8q³r

Answers:
Selection 1:2q²r
Selection 2:3s²t
7

What is b? 3s³t8s²t✔ 3s²t8s³t

A
3s³t
B
8s²t
C
✔ 3s²t
D
8s³t
8

Use the identity below to complete the tasks: a3 + b3 = (a + b)(a2 - ab + b2) Use the identity for the sum of two cubes to factor 8q6r3 + 27s6t3.

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Blank 1:2
Blank 2:3
Blank 3:4
Blank 4:9
9

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3

10

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4

11

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Answer:

9

12

What is a? ✔ 5q²125q²5q³125q³

Answers:
Selection 1:5q²
Selection 2:r²s
13

What is b? r³sr²s²rs²✔ r²s

A
r³s
B
r²s²
C
rs²
D
✔ r²s
14

Use the identity below to complete the tasks: a3 − b3 = (a − b)(a2 + ab + b2) When using the identity for the sum of two cubes to factor 125q6 − r6s3.

Answers:
Blank 1:5
Blank 2:25
Blank 3:5
Blank 4:1
15

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Answer:

25

16

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Answer:

5

17

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Answer:

1

18

Factor x3y6 + 27z42.

A
(xy3 + 3z39)(x2y9 – 3xy3z39 + 9z1,521)
B
(xy3 + 3z39)(x2y6 – 3xy3z39 + 9z78)
C
(x3y6 + 27z42)(x6y12 – 27x3y6z42 + 729z84)
D
(xy2 + 3z14)(x2y4 – 3xy2z14 + 9z28)
19

Factor t12 – r3s15.

A
(t4 – rs5)(t8 – rs5t4 – r2s10)
B
(t4 – rs5)(t8 + rs5t4 + r2s10)
C
(t9 – rs12)(t18 + rs12t9 + r2s24)
D
(t4 + rs5)(t8 – rs5t4 + r2s10)
20

Choose the expression that represents the total volume of the cubes.

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D

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