ASVAB Math Knowledge Practice Test 873873

Question 4 of 5
Factoring Quadratics

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

Factor y2 - 18y + 81

(y - 9)(y + 9)
(y + 9)(y + 9)
(y - 9)(y - 9)
(y + 9)(y - 9)