chey48
chey48
15-01-2017
Mathematics
contestada
The sum of the roots of 2x squared + 8x -3=0 is?
Respuesta :
Newtion
Newtion
15-01-2017
According to Vieta's formula, if [tex]x_1,x_2[/tex] are solutions of quadratic equation [tex]ax^2+bx+c=0[/tex], then:
[tex]\displaystyle x_1+x_2=- \frac{b}{a} [/tex]
In our case:
[tex]\displaystyle x_1+x_2=- \frac{8}{2} =-4[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 18+ )
Otras preguntas
A reindeer can run 96 miles in 3 hours at this rate how far can a reindeer run in 1hour explain
Select all that apply. Plantation children might be instructed by the following: village school master an indentured servant the father the mother
what is the simplest form in reduced in 22/64
What was the largest cultural split in 1920s America? A. between nothern states and southern states B. Between eatern states and western states C. Between young
How can you say wings of freedom in Japanese?
which ocean touches the United States on the west
Which type of pronoun is bolded in the following sentence?The truck, which sometimes stalls, belongs to our neighbor. relativeindefiniteinterrogativedemonstrati
What is the round to the nearest million5,500,000
75 is 15% of what number
what is the highest common factor of 33 and 93
