k2a8tomerajNk k2a8tomerajNk

01-02-2017
Mathematics

contestada

Find the roots
2x 2 + 4x - 5 =0

Respuesta :

wolf1728 wolf1728

07-02-2017

Use the quadratic formula
x = [-4 +- sqrt (16 - 4*2*-5)] / 4
x1 = [-4 + sqrt (56)] / 4

x2 = [-4 - sqrt (56)] / 4

Answer Link

littledj115 littledj115

01-04-2022

Answer:

Unfortunately, I cannot show the work because I got the answer from a friend, but he got

-2 +- root(14)/ 2

Answer Link

Otras preguntas

Whats the least common multiple of 7, 6, 4, and 3?

I'm not good with this type of thing in math so I need help. 1 .▲PQR has angle measures of 108 degrees, 33 degrees, and x degrees. Describe how to find the mis

Un atome de cuivre a une masse de 10-25 kg. Quel est le nombre d'atomes de cuivre dans : 1. un kilogramme de cuivre? 2. un gramme de cuivre?

12. The distance from the point p(3,4) to the line L with equation: 3x + 4y = 5 is A. 6 units B. 7units C. 4 units D. 5 units of the

There are 36 students in Mr. Meyer's class. Of those students, 5/12 played tag at recess, 1/3 played kickball, and the rest played basketball. How many students

P(r)= 0.5t^4 + 3.45t^3 - 96.65t^2 + 347.7t, when 0 < t < 6 in this function above, P(t) is the amount of medication (in mg) in the blood stream at time t

24. At what type of plate boundary interaction is new land formed when magma pushes up from the mantle and cools? Odivergent boundary transform boundary O conve

5500 trees were planted in a forest on 1st October 2018. Only 5060 of these trees were still alive on 1st October 2019. It is assumed that the number of trees s

Planning is an essential skill that will help you succeed in both short and long-term endeavors. Once you complete this course, how do you plan to use arid inco

Match the input and outputs for the relation equation image indicator The task is to match the lettered items with the correct numbered items. Appearing below i