Activity#3: factor then solve the following quadratic 1. x²+8x+15=0
Find the factors of 15 (last term) that if you add, it equals to the middle number.
(x+5)(x+3)
Use function of Zero to find the roots
x = -5
x = -3
Final Answer: -5, -3
Activity#3: factor then solve the following quadratic 1. x²+8x+15=0
Find the factors of 15 (last term) that if you add, it equals to the middle number.
(x+5)(x+3)
Use function of Zero to find the roots
x = -5
x = -3
Final Answer: -5, -3