Factoring Trinomials: a=1 (contiued)

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The trinomial x2 - 3x - 4 is represented by the model. What are the factors of the trinomial?

(x + 1) and (x - 4)

Which shows the factored form of x2 - 12x - 45?

(x + 3) (x - 15)

The factorization of x2 + 3x - 4 is modeled with algebra tiles. What are the factors of x2 + 3x - 4?

(x + 4) and (x - 1)

What is the factored form of x2 - x - 2?

(x - 2) (x + 1)

What is the factored form of x2 − 4x − 5?

(x − 5) (x + 1)

If one factor of x2 + 2x - 24 is (x+6), what is the other factor?

(x−4)

Simon is factoring the polynomial. x2−4x−12 (x−6)(x+______) What value should Simon write on the line?

2

The partial factorization of x2 - 3x - 10 is modeled with algebra tiles. Which unit tiles are needed to complete the factorization?

2 positive unit tiles

The model of a trinomial is shown. What are the factors of the trinomial? Select two options.

C, E

Mia is factoring the polynomial x2 + 4x - 12. She uses the steps shown. In which step did Mia make an error?

Step 4

Which shows the four-term polynomial and factored form of x2 + 6x - 27?

x2 + 9x - 3x - 27 = (x + 9)(x - 3)

A polynomial is factored using algebra tiles. Which polynomial was factored?

x2 - 2x - 8


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