Question

I need help putting correct answers in the yellow boxes.

Answer 1

-5 ± √5² - 4 · 1 · 4

2 · 1

Explanation:

ax²+bx+c=0 (quadratic equation)

x= -b ± √b² - 4ac

2a

a= 1

b= 5

c= 4

-5 ± √5² - 4 · 1 · 4

2 · 1