hkochenower hkochenower

01-10-2017
Mathematics

contestada

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

Respuesta :

texaschic101 texaschic101

03-10-2017

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 <=

Answer Link

Otras preguntas

Some benefits of __________ may increase appropriate social behavior and make uninteresting tasks worth pursuing. A. intrinsic motivation B. achievement C. ext

adapted from Kate's Ordeal by Emma Leslie It was night when Kate reached London. Her uncle was waiting for her at the railway station. He soon stowed away

Write each number as a product of prime numbers

which expression is equal to -33 when x= -5

What most likely explains the poor standing of Leopoldo 2 among historians today

How did the protest at the Democratic National Convention in 1968 help Richard Nixon?

• History Poetry Assignment • (Please help me out with this worth 55 points!!) You need to write a poem based on one of the new advances in transportation or c

There are two forms of intergroup conflict: latent and active.T/F

The area of a pentagon with a perimeter of 50 inches is 172.05 square inches . true or false

Daniel wants to triple the recipe for a party . How many cups of each ingrident does he need.? Explain how you know. Ingredient Chopped unions= 1/2 Mushrooms=1