H7anna9bmomsimmoni H7anna9bmomsimmoni

02-07-2016
Mathematics

contestada

what is the discriminant of the quadratic equation 0 = –x2 4x – 2? a.–4 b.8 c.12 d.24

Respuesta :

nobillionaireNobley nobillionaireNobley

03-07-2016

x^2 - 4x + 2
d = b^2 - 4ac, where a = 1, b = -4 and c = 2
d = (-4)^2 - 4 x 1 x 2
d = 16 - 8
d = 8

Answer Link

ashp451 ashp451

05-05-2021

Answer:

B.) 8

Step-by-step explanation:

Answer Link

Otras preguntas

Why would a business care if its workers went on strike?

What is the percent by mass of oxygen in H2SO4 ? [formula mass = 98](1) 16% (3) 65%(2) 33% (4) 98%

factorise this expression: 7y + 14

Sunflowers belong to which of the following kingdoms? A. Animalia B. Fungi C. Plantae D. Protista

In 1933, COngress repealed Prohibition with the A. Eighteenth AMendment B. Nineteenth Amendment C. Twentieth Amendment D. Twenty-first Amendment

Which of these contains only one substance? A. distilled water B. sugar water C. saltwater D. rainwater

What did the bombing of Hiroshima and Nagasaki do?

What is the square root of 476

what is an expression that describes the relationship between each input and output

Which compounds are electrolytes? (1) C2H5OH and H2SO4 (2) C2H5OH and CH4 (3) KOH and H2SO4 (4) KOH and CH4