taylor477
taylor477 taylor477
  • 01-10-2019
  • Mathematics
contestada

For what value of k does the equation x^2-5x+(k+6)=0 have equal roots?

For what value of k does the equation x25xk60 have equal roots class=

Respuesta :

Аноним Аноним
  • 01-10-2019

Answer:

k = 0.25.

Step-by-step explanation:

For the equation to have equal roots the discriminant b^2 - 4ac = 0.

So for this equation , a = 1, b = -5 and c = (k + 6) so:

(-5)^2 - 4*1*(k + 6) = 0

25 - 4k - 24 = 0

25 - 24 = 4k

4k = 1

k = 1/4

k = 0.25.

Answer Link

Otras preguntas

blank divided by blank equals 6 what is the two blanks
Relate a personal experience in which you were denied an opportunity or treated unfairly. how did you resolve the situation? if that were to happen during your
Plz answer number 3 I need this I only have 9 minutes please HELP plz
why does everything have to do with social media? why can't the world be more interactive?
A child lifts a 5.0-newton toy to a height of 0.50 meters. How much work is done on the toy?
Sarah bought 18 eggs. How many dozens did she buy? A. 1 1/2 B. 1 1/3 C. 1 1/4 D. 1 1/6
What sentence contains the present participle of the verb to collect. A. He has collected rare coins. B. He is collecting rare coins.
Can you please help me with A B and C .the task is to write the numbers into Standard form
The main idea of a text
a train rolls to a stop along a horizontal track without the conductor applying the brakes. what answer choice best explains why this occured