AnswersNY-Algebra I Term 2 HillcrestFactoring Trinomials: a > 1

Factoring Trinomials: a > 1 Answers

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Consider the trinomial 9x2 + 21x + 10.

Answers:
What value is placed on top of the X?:90
What value is placed on the bottom of the X?:21
Selection 3:(3x + 2)(3x + 5)
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910✔ 2190

A
9
B
10
C
✔ 21
D
90
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(3x – 2)(3x – 5)✔ (3x + 2)(3x + 5)(9x + 5)(x + 2)(9x + 10)(x + 1)

A
(3x – 2)(3x – 5)
B
✔ (3x + 2)(3x + 5)
C
(9x + 5)(x + 2)
D
(9x + 10)(x + 1)
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Represent the quadratic polynomial 2x2 + x – 6 using algebra tiles and determine the equivalent factored form.

Answers:
The number of zero pairs needed to model this polynomial is .:3
The equivalent factored form is .:(2x – 3)(x + 2)
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✔ (2x – 3)(x + 2)(2x + 3)(x – 2)(2x + 2)(x – 3)(2x – 2)(x + 3)

A
✔ (2x – 3)(x + 2)
B
(2x + 3)(x – 2)
C
(2x + 2)(x – 3)
D
(2x – 2)(x + 3)

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