Answers TX-Algebra I A-CRSolving Systems of Linear Inequalities

Factoring Trinomials: a > 1 Answers

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The diagram represents the factorization of a2+8a+12.

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The model represents a polynomial and its factors.

x2 – 2x – 3 = (x – 3)(x + 1)

x2 – 4x + 3 = (x – 3)(x – 1)

x2 + 2x + 3 = (x + 3)(x – 1)

x2 + 4x – 3 = (x + 3)(x + 1)

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27, 9x, 18x

9, 9x, 18x

27, 9x, 27x

9, 9x, 27x

Ms. Wilson draws a model of the factorization of a polynomial with integer factors. Her model is partially complete. Which equation is represented by Ms. Wilson’s model?

n2 + 3n + 40 = (n – 8)(n – 5)

n2 + 13n + 40 = (n + 8)(n + 5)

n2 + 40n + 13 = (n + 8)(n + 5)

n2 + 40n + 3 = (n – 8)(n – 5)

Bailey writes the expression g2 + 14g + 40 to represent the area of a planned school garden in square feet. What factors can be used to find the dimensions of her garden?

(g−4)(g−10)

(g+4)(g+10)

(g+4)(g−10)

(g−4)(g+10)

Which expression is equivalent to n2 + 26n + 88 for all values of n?

(n + 8)(n + 11)

(n + 4)(n + 22)

(n + 4)(n + 24)

(n + 8)(n + 18)

What is the factored form of the polynomial?x2 − 12x + 27?

(x + 4)(x + 3)

(x − 4)(x + 3)

(x + 9)(x + 3)

(x − 9)(x − 3)

What are the factors of m2 – 12m + 20?

m – 14 and m – 6

m – 10 and m – 2

m – 9 and m – 3

m – 5 and m – 4

A rectangle has an area of k2 + 19k + 60 square inches. If the value of k and the dimensions of the rectangle are all natural numbers, which statement about the rectangle could be true?

The length of the rectangle is k – 5 inches.

The width of the rectangle is k + 4 inches.

The length of the rectangle is k – 20 inches.

The width of the rectangle is k + 10 inches.

Which are perfect square trinomials? Select two options.x2 − 9x2 −100x2 − 4x + 4x2 + 10x + 25x2 + 15x + 36

x2 − 9

x2 −100

x2 − 4x + 4

x2 + 10x + 25

x2 + 15x + 36

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Factoring Trinomials: a > 1 Answers

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