Seudónimo Seudónimo

05-04-2017
Mathematics

contestada

Can someone help me with this? Plz.

Solve the quadratic equation 2x^2-4x-1=0

Respuesta :

Luv2Teach Luv2Teach

05-04-2017

You have to use the quadratic formula to solve this. The zeros of this quadratic are 2 + sqrt2/2 and 2 - sqrt2/2, which in "real" numbers is 1.707 and .2928

Answer Link

Otras preguntas

True or False? It's not possible to build a triangle with side lengths of 3, 3, and 3.

Which condensed structural formula represents an unsaturated compound? (1) CH3CHCHCH3 (3) CH3CH3 (2) CH3CH2CH3 (4) CH4

What major event happened on September 11, 2001, in the United States?

True or False? The segments below could form a triangle. A________C is 9 C_____B is 4 B_______________A is 15

Name two national U.S. holidays

Which reaction is single replacement? (1) 2H2O2 --> 2H2O + O2 (2) 2H2 + O2 --> 2H2O (3) H2SO4 + Mg --> H2 + MgSO4 (4) HCl + KOH --> KCl + H2O

Under our Constitution, some powers belong to the states. What is one power of the states?

what are the functions of Holloware

When must all men register for the Selective Service?

Which clement is a liquid at STP? (1) bromine (3) francium (2) cesium (4) iodine

Q&A Education