Addition and Subtraction of Polynomials Answers
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Which of the following is the product of the binomials shown?
A
–15c4 – 7c2d + 2d2B
–15c4 + 7c2d + 2d2C
–15c4 + 13c2d + 2d2D
–15c4 + 13c2d – 2d23
What is the product of the monomials given?
A
–18(ab)13B
–18a7b6C
–18a10b6D
–18a7b94
Suppose you multiplied the cereal box dimensions in a different order: First,
A
7xB
7x²C
4x² + 3D
4x² + 3x5
Find the product.(a2)(2a3)(a2 – 8a + 9)
A
2a7 – 16a6 + 18a5B
2a7 – 16a6 – 18a5C
2a8 – 16a7 + 18a6D
2a12 – 16a7 + 18a66
(3c2 + 2d)(–5c2 + d)Select all of the partial products for the multiplication problem above.
A
2d2B
3cd3C
–15c4D
–10c2 dE
–15c2F
3c2 d7
The expression for the volume of the boxes is .
A
(2x + 3) • x • (4x + 1)B
(x + 3) • x • (4x + 1)C
(x + 3) • x • 4x
10
Suppose you multiplied the cereal box dimensions in a different order: First,
A
7xB
7x²C
4x² + 3D
4x² + 3x12
The expression for the volume of the boxes is .
A
(2x + 3) • x • (4x + 1)B
(x + 3) • x • (4x + 1)C
(x + 3) • x • 4x
14
Then, .
A
4x³ + 12xB
8x³ + 7x²C
16x³ + 12x²15
The simplified expression for the volume is
A
8x2 + 9x + 3.B
8x2 + 14x + 3.C
8x3 + 9x2 + 3x.D
8x3 + 14x2 + 3x.16
The product is the same as the one found previously. This an example of polynomial multiplication being .
A
associativeB
commutativeC
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