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

PLESASE HELP ME!!! Identify and describe three events that led up to the Civil War.

Alexis is in her Toyota Camry and trying to make a turn off an expressway at 19.0 m/s. The turning radius of the level curve is 35.0 m. Her car has a mass of 12

How many sixteenth note are in one dotted-whole note?

Which is an example of a simile? He was as angry as a grizzly bear. She is so hungry, she could eat a horse. She is a rock for her family.

It is clear that Katniss is not in favor of another Hunger Games. She executes Coin to make sure it doesn't happen. Therefore, why did Katniss vote "yes" for an

which of the following do not occur in prokaryotic cell

Solve this equation 5+3=2+21

T/F if woman take anabolic steroids, they can develop an Adam's apple, a deep voice, acne, and over time they will look and sound like a male True False

This paramecium has a nucleus and is comprised of one cell. Which terms best describe this organism?

Predict whether S for each reaction would be greater than zero, less than zero, or too close to zero to decide. a. H2(g)+Cl2(g)→2HCl(g) b. 2H2O2(l)→2H2O(l)+O2(g