Fhuo683 Fhuo683

03-11-2016
Mathematics

contestada

If the equation x² - kx - 36 = 0 has x = 12 as one root, what is the value of k?

Respuesta :

bgunn12345678 bgunn12345678

03-11-2016

To solve for k, just plug in the x provided:

12^2 - k(12) - 36 = 0

144 - k(12) = 36

-k(12) = 1/4

k = -1/48

Answer Link

Otras preguntas

How can I right a good story?

Hello there! If you can help me solve this equation step by step, that would be very helpful. Thanks for stopping by!

lines 1483-1492: explain how Proctor's final speech conveys a message from the playwright. This question is for The crucible act 3

How many pounds are in 204 ounces? A) 11.75 pounds B) 12.25 pounds C) 12.5 pounds D) 12.75 pounds

What is the amplitude of the sinusoidal function? Enter your answer in the box I got -4 but I don't know if that's right.

You run an experiment to test the effects of temperature on solubility. What would you heat? A.) solvent B.) solute C.) the room B.) the beaker

If half of the starting quantity of a is used up after 56s, calculate the fraction that will be used up after 6.0min.

an object is lifted off a table by use of a spring scale. What two forces are acting on the load a. Weight and frictionb. Drag force and frictionc. Gravity and

how many balls each of radius 2cm can be made from a solid sphere of lead of radius 8cm

He disproportionately high appearance of polydactylism among the Amish suggests that _______. A. It is a common mutation