Question

I need questions 25, 28 and 29

Answer 1

Answer: Exercise 25

Explanation:

- b ± √b² - 4ac

2

= - 8 ± √ 64 - 4(2)(5) = - 8 ± √64 + 40

4 4

Step 2. =

√40 = 6.3

x = 8 + 6.3 = 14.3 = 3.575

4 4

ANSWER = 3.575