ASVAB Math Knowledge Practice Test 45429

Question 2 of 5
Factoring Quadratics

To factor a quadratic expression, apply the FOIL (First, Outside, Inside, Last) method in reverse.

Factor y2 - 4y - 21

(y - 7)(y + 3)
(y + 7)(y + 3)
(y + 7)(y - 3)
(y - 7)(y - 3)