AnswersFL-1200310-Algebra 1 Sem 2Introduction to Polynomials

Multiplying Monomials and Binomials Answers

7 verified answers
1
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Multiply: –c2(3c – 2)

Answers:
Selection 1:2
c3 + c2:2
2
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What is the product of x(x + 1)?

A
2x + x
B
x2 + 2x
C
2x2 + x
D
x2 + x
3

Multiply: (x + 3)(x – 4) What is the middle term in the simplified product?

A
x
B
–x
C
3x
D
-4x
4

Multiply: (5t – 4)(4t + 5)What is the product?

A
20t2 + 9t – 20
B
20t2 + 18t – 19
C
20t2 + 25t – 36
D
20t2 + 41t – 20
5

Is the student’s work correct?

A
No, she did not multiply –6y2 by 2 correctly.
B
No, she did not add 3y2 and –12y2 correctly.
C
No, she did not use the distributive property correctly.
D
Yes, she multiplied the binomials correctly.
6

Which products result in a difference of squares? Check all that apply.(5z + 3)(–5z – 3)(w – 2.5)(w + 2.5)(8g + 1)(8g + 1)(–4v – 9)(–4v + 9)(6y + 7)(7y – 6)(p – 5)(p – 5)

A
(5z + 3)(–5z – 3)
B
(w – 2.5)(w + 2.5)
C
(8g + 1)(8g + 1)
D
(–4v – 9)(–4v + 9)
E
(6y + 7)(7y – 6)
F
(p – 5)(p – 5)
7

Find the product of (k – 9)2 using the perfect square trinomial rule shown on the left.

Answers:
The product (k – 9)2 can also be written as .:(k – 9)(k – 9)
The product is k2 – k + .:18
The product is k2 – k + .:81

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