Question

Select one of the factors of x3y2 + 8xy2 – 5x2 – 40

(xy2 + 5)

(x2 + 4)

(xy2 – 5)

(x2 – 8)

Answer 1

Select one of the factors of 5x2 + 7x + 2

(5x – 2)

(x + 2)

(5x + 1)

None of the above

Answer 2

Select one of the factors of 3x2 + 4x – 4

(x + 4)

(3x + 2)

(3x – 2)

(x – 2)

Answer 3

3x2 + 4x – 4 = (3x - 2)(x + 2)