Factoring Trinomials: a = 1 (Continued)

Question 83433 of 17 • LA-Algebra I CR

Complete the statements to explain how to factor x2 + x – 12 using algebra tiles.

Answer

Represent the trinomial using 1 positive x2-tile, , and .:

1 positive x-tile

Represent the trinomial using 1 positive x2-tile, , and .:

12 negative unit tiles

Form a rectangle with the tiles, adding zero pairs as needed. How many zero pairs are needed?:

three

Drag tiles onto the board to represent each factor. What is the factorization? x2 + x – 12 =:

(x – 3)(x + 4)

Factoring Trinomials: a = 1 (Continued)

Factoring Polynomials: Sum and Difference of Cubes

Factoring Trinomials: a = 1 (Continued)