Factoring Trinomials: a 1

Question 1

91021✔ 90

Revolt · Accepted Answer

90; Selection 1: 90; Selection 2: 21

Question 2

910✔ 2190

Revolt · Accepted Answer

21

Question 3

Question 3

Revolt · Accepted Answer

(3x + 2)(3x + 5)

Question 4

Complete the factorization of 3x2 – 10x + 8. 3x2 – 10x + 8 = (x – )( x – 4)

Revolt · Accepted Answer

Part 1: 2; Part 2: 3

Question 5

A prime polynomial cannot be written as a product of lower-degree polynomials. Which polynomial is prime?

Revolt · Accepted Answer

8x2 – 6x – 3

Question 6

Which statement is true of a rectangle that has an area of 4x2 + 39x – 10 square units and a width of (x + 10) units?

Revolt · Accepted Answer

The perimeter of the rectangle is (10x + 18) units.

Question 7

Determine if Ginny factored correctly. If not, explain where she made an error.

Revolt · Accepted Answer

Ginny made a mistake in step 1 when she identified b = 31. It should be b = –31.

Question 8

The trinomial 2x2 + 13x + 6 has a linear factor of x + 6.2x2 + 13x + 6 = (x + 6)(?)What is the other linear factor?

Revolt · Accepted Answer

2x + 1

Factoring Trinomials: a > 1 Answers