miyareese28 miyareese28
  • 03-08-2016
  • Mathematics
contestada

What is the value of b2 - 4ac for the following equation? 2x 2 - 2x - 1 = 0

Respuesta :

Аноним Аноним
  • 03-08-2016
For you to make an equation a quadratic equation, you need everything to be on one side, so you add one to both sides. 

2x^2 + 3x + 0=0 

a=2, b=3, c=0 

b^2-4ac (In the next step just plug in your variables) 

3^2 - 4(2)(0) 

9 - 8(0) 

9 - 0 

Your answer=9
Answer Link

Otras preguntas

What passages illustrate Paine's effort to write in language ordinary readers can understand in the book of Voices of Freedom by Thomas Paine
what brought an end to the dominance of the silk road ?
Thomas' grandfather is 100. Thomas' grandfather is 10 times older then Thomas.How old is Thomas?
what message might these frequent and violent changes leadership have sent to people living outside Roman Empire
Factor by grouping 5x+15+xy+3y
what is the lmc of two numbers that have no common factors greater then 1
What is the term for the basic plan for the United States government?
Analogy for Chicago Bulls : basketball ::
What is the term used to describe a person who served a ruler or prince? a. courtier b. Renaissance man c. humanist d. sprezzatura
write the essay on critical rationalism. Use the following headings: 1. Introduction Discuss the origin and history of critical rationalism. 2. content indicat