Seudónimo Seudónimo

02-02-2018
Mathematics

contestada

What is the discriminant D of the equation?

n^2+2n−2=0

D= ___

Respuesta :

tynollette tynollette

02-02-2018

the discriminant of a quadratic function f(x)= ax²+bx+c is b²-4ac
in this case, D=2²-4*1*(-2)=12
D=12

Answer Link

Otras preguntas

A tetrahedral site in a close-packed lattice is formed by four spheres at the corners of a regular tetrahedron. This is equivalent to placing the spheres at alt

for the united states, support for human rights often been closely tied to support for _____ A. democratic reforms B. the united nations C. military allies D. U

Joesph and molly each have coin collections. Joesph starts with 15 coins in his collection and adds 25 coins each month. Molly starts with 25 coins in her colle

Which Lung Disease has the highest risk for Smokers compared to Nonsmokers. A. Lung Cancer B. Heart Disease C. Chronic Bronchitis D. Emphysema

2 Points What was a part of President Wilson's Fourteen Points? A. An international body to resolve conflicts B. Freedom of trade on the high seas C. Respect fo

Which equation represents a line that passes through (5,1) and has a slope of 1/2

Please I really need the answer for this

Touching sprit bear: Does cole die?

sarah ran 4.5 miles in 32 minutes. which proportion could be used to determine how many miles can she run in 54 minutes at the same rate?

18 - 3 x 2/ 5-1 squared