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

Charles lives in Houston and runs a business that sells boats. In an average year, he receives $851,000 from selling boats. Of this sales revenue, he must pay t
Persuasive writing convincing person to take the vaccine ​
A circular picture is 8 inches in diameter. Part A What is the area of the picture in square inches? A. 4π square inches B. 8π square inches C. 16π square inche
Other things equal, an appreciation of the U.S. dollar would Multiple Choice increase productivity and increase aggregate supply. decrease net exports and decre
Who is the youngest nigerian musician 2021​
AYO PLEASE HELP ME WITH THIS
put perches in a sentence
b/-3 + 4 ^ 13 what is b
If two sides of a triangle measure 4 cm and 6 cm what could be the measure of the third side? A. 9 B. 10 C. 11 D. 12
When fluorine gas is put into contact with calcium metal at high temperatures, calcium fluoride powder is created in an exothermic reaction