Factoring Trinomials: a = 1 Answers

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Which are perfect square trinomials? Select two options.

A
x2 − 9
B
x2 −100
C
x2 − 4x + 4
D
x2 + 10x + 25
E
x2 + 15x + 36
2
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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?

Question illustration
A
n2 + 3n + 40 = (n – 8)(n – 5)
B
n2 + 13n + 40 = (n + 8)(n + 5)
C
n2 + 40n + 13 = (n + 8)(n + 5)
D
n2 + 40n + 3 = (n – 8)(n – 5)
3

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Question illustration
A
27, 9x, 18x
B
9, 9x, 18x
C
27, 9x, 27x
D
9, 9x, 27x
4

The binomial (y − 2) is a factor of y2 − 10y + 16. What is the other factor?

A
(y − 5)
B
(y + 5)
C
(y − 8)
D
(y + 8)
5

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

A
(x + 4)(x + 3)
B
(x − 4)(x + 3)
C
(x + 9)(x + 3)
D
(x − 9)(x − 3)
6

What is the factored form of the polynomial?x2 + 9x +20

A
(x − 4)(x − 5)
B
(x − 2)(x − 10)
C
(x + 4)(x + 5)
D
(x + 2)(x + 10)
7

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?

A
The length of the rectangle is k – 5 inches.
B
The width of the rectangle is k + 4 inches.
C
The length of the rectangle is k – 20 inches.
D
The width of the rectangle is k + 10 inches.
8

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

A
m – 14 and m – 6
B
m – 10 and m – 2
C
m – 9 and m – 3
D
m – 5 and m – 4
9

The binomial (a+5) is a factor of a2+7a+10. What is the other factor?

A
(a+2)
B
(a+5)
C
(a−2)
D
(a−5)
10

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

A
(n + 8)(n + 11)
B
(n + 4)(n + 22)
C
(n + 4)(n + 24)
D
(n + 8)(n + 18)

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