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

Suppose that research finds a link between high fructose corn syrup (HFCS) and obesity, which then leads American consumers to switch from HFCS products to pure
A patient with brain trauma cannot remember events prior to the trauma. Which type of amnesia does this symptom indicate?.
i cannot do this question and i am stuck
I need help plslslsls​
Calculate the volume of hydrogen gas at 38.0 °C and 763 torr that can be produced by the reaction of 4.33 g of zinc with excess sulfuric acid.
The equation of a line is y = -4x + 10 What is the y-intercept of the line
help i need big brain answers!!!! At what position on the number line is the red dot located?
Which natural resource needs sunny, warm winters? A) snowy mountain B) citrus grove C) pine trees D) polar bears
As the marketing director for a tablet computer manufacturer, you're aware that some consumers still need a lot of help and information before making a decision
Δ ABC and ΔDEF are similar triangles. If m∠A =104∘and m∠E = 36∘, what is ∠C? 1. 36 2. 40 3. 76 4. 104