danyelizabeth14 danyelizabeth14

12-05-2014
Mathematics

contestada

Calculate the discriminant.

x2 – 2x + 4 = 0

  20
      12
    –12
      0

Respuesta :

12-05-2014

[tex]x^2 - 2x + 4 = 0 \\ \\\Delta =b^2-4ac =(-2)^2-4*1*4=4-16=-12[/tex]

Answer Link

Otras preguntas

someone help please!!!!!!!!!

Which of the following verbs is NOT a stem-changing verb? (1 point) Question 3 options: 1) Querer 2) Tener 3) Ir

A rope is 72 feet long. What is the length of the rope in yards

A bottle of organic shampoo sells for $7.95. Fixed costs total $9,000 and variable costs per unit are $0.85. Sales are forecast to be 12,000. What is the possib

A violin originally costs $700, but it is on sale for 15% off. If a customer buying the violin has a gift card for $60.00, what will his final price be on the v

PLEASE HELP ME WITH: A real estate agent made a scatter plot with homeowners' property taxes on the y-axis and the sizes of their homes, in square feet, on the

Is this figure a polygon? why or why not?

Why does Audrey’s mother ask civil rights supporters in the North to send clothes and toys to Birmingham in We’ve Got a Job?

A summary is a statement of a texts central idea in ones

Read the quotation from Abigail Adams. It is from a letter she wrote her husband, John Adams, as he helped draft the US Constitution. If perticuliar care and a