Factoring Trinomials: a = 1 (Continued)

Question 1

What are the factors of x2 – x – 6? Check all that apply.x – 6x + 6x – 3x – 2x + 2x + 1x – 1

Revolt · Accepted Answer

x – 3; x + 2

Question 2

Use the completed X diagram to replace the x-term in the trinomial with two x-terms.

Revolt · Accepted Answer

x2 + x – 42 = x2 +– 42: 7x – 6x; = x()–(x + 7): x + 7; = x()–(x + 7): 6; =: (x – 6)(x + 7); To verify,the factors.: multiply

Question 3

Question 3

Revolt · Accepted Answer

2

Question 4

A prime polynomial is an irreducible polynomial with integer coefficients that cannot be factored into polynomials of lower degree over the real number system.Which trinomial is prime?

Revolt · Accepted Answer

x2 – 9x – 18

Factoring Trinomials: a = 1 (Continued) Answers

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