ASVAB Math Knowledge Practice Test 372842

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