Question

I need help with the following questions that use the "FOIL" method. Please explain:

1. Which trinomial is the product of the expression below?
(x + 2)(x + 4)

2. Which trinomial is the product of the expression below?
(m + 2)(m - 7)

3. Which trinomial is the product of the expression below?
(3x + 2)(2x - 3)

4. Which trinomial is the product of the expression below?
(3r - 4)(r + 8)

5. Which trinomial is the product of the expression below?
(k - 2)(k - 1)

Answer 1

1: x^2 + 6x + 8

2: m^2 - 5m -14

3: 6x^2 - 5x - 6

4: 3r^2 + 20r - 32

5: k^2 -3k +2