tatirocks2372 tatirocks2372

11-04-2018
Mathematics

contestada

What is the value of the discriminant for the quadratic equation
d2− 7d + 8 = 0?
A. −56
B. 17
C. −1
D. −27

Respuesta :

Аноним Аноним

11-04-2018

d² - 7d + 8 = 0

a = 1, b = -7 , c = 8

[tex]\text {Discriminant=} b^2 - 4ac [/tex]

[tex]\text {Discriminant=} (-7)^2 - 4(1)(8) = 49 - 32 = 17[/tex]

Answer: 17 (Answer B)

Answer Link

Otras preguntas

You hear a thunder 3 seconds after you see lightning. How far away is the storm?

solve quadratic equation by factoring How do you do it 3k^2 + 72 = 33k

A special form of loose connective tissue that pads and insulates the body and stores fuel reserves is known as (A) epithelial tissue. (B) adipose tissue. (C) f

use the function rule, y= 2x+5, to find the values of y when x =1,2,3,4. write the answers as ordered pairs that would be used to graph the function. show your

If (x − 2)^2=49, then x could be ?

Which of the following factors does not favor a change in gene frequency and, therefore, evolution? (A) large populations (B) mutations (C) emigration (D) genet

Cellular respiration involves a series of chemical reactions. Which of the following is a primary way that enzymes affect these reactions? A. They decrease the

Can anyone help me with turning fractions into decimals 2 1/2

Why was capturing egypt's suez canal so important to the axis powers?

does gas have as definite or indefinite volume