Register
Solve the equation by completing the square. Round to the nearest hundredth if necessary. x^2 +9x - 14 =0
118k views
0 votes
Solve the equation by completing the square. Round to the nearest hundredth if necessary. x^2 +9x - 14 =0

User Fiery Phoenix
by
6.3k points

1 Answer

3 votes
x^2 + 9x - 14 = 0
x^2 + 9x = 14
x^2 + 9x + 20.25 = 14 + 20.25
(x + 4.5)^2 = 34.25
x + 4.5 = (+-) sqrt 34.25
x = - 4.5 (+-) 5.85

x = -4.5 + 5.85 = 1.35 <=
x = -4.5 - 5.85 = -10.35 <=
User Sagar Jogadia
by
6.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.2m questions

9.6m answers

Other Questions

How do you estimate of 4 5/8 X 1/3
Please solve the following equation. x-6x=56
whats the most accurate estimation of 65+77
Find the additive inverse of 18/23
What is 25% of 500.00
Link Copied!