AnswersFL-1200710-Mathematics for College Algebra AAdding and Subtracting Polynomials

Factoring Trinomials: a = 1 Answers

10 verified answers1 views
2
Free Preview

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)
3

Which expression is the factorization of x2 + 10x + 21?

A
(x + 3)(x + 7)
B
(x + 4)(x + 6)
C
(x + 6)(x + 15)
D
(x + 7)(x + 14)
4

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)
6

Question text not available

Question illustration
A
27, 9x, 18x
B
9, 9x, 18x
C
27, 9x, 27x
D
9, 9x, 27x
7

The model represents a polynomial and its factors.

Question illustration
A
x2 – 2x – 3 = (x – 3)(x + 1)
B
x2 – 4x + 3 = (x – 3)(x – 1)
C
x2 + 2x + 3 = (x + 3)(x – 1)
D
x2 + 4x – 3 = (x + 3)(x + 1)
8

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)
10

The model represents x2 – 9x + 14.

Question illustration
A
x – 9
B
x – 2
C
x + 5
D
x + 7

Did you find these answers helpful?