amalalaosundu7832 amalalaosundu7832

23-01-2021
Mathematics

contestada

if 1 is a root of the equation
[tex]5x^{2} +kx - 3 = 0 [/tex]
find the other root

Respuesta :

ChoiSungHyun ChoiSungHyun

23-01-2021

Step-by-step explanation:

5x² + kx - 3 = 0 has a root x = 1.

=> 5(1)² + (1)k - 3 = 0

=> 5 + k - 3 = 0

=> k = -2.

Therefore we have 5x² - 2x - 3 = 0.

=> (x - 1)(5x + 3) = 0

=> x = 1 or x = -3/5.

Hence the other root is -3/5.

Answer Link

Otras preguntas

How do movies, television, and video games desensitize teens to voilence? How does this affect how violence is used in everyday life?

A nuclide undergoes two alpha decays, two positron decays, and two gamma decays. What is the difference between the atomic number of the parent nuclide and the

Remember, a claim is a statement of opinion. Use what you have learned to write a claim in support of your chosen amendment by completing this sentence: The bec

Read the story summary and then answer the question: Charles just wants to prove his innocence and collect the insurance money. He had nothing to do with his st

A pitcher throws a baseball with horizontal component of velocity vₓ, from a height of 2m above home plate. The catcher receives the ball 20m away at a point 0

Your WORK must be recorded in your packet. 8. A map of a treasure hunt is shown. In the figure, the triangles are similar.. What is the distance from the silver

100 ocular scale units = _________________ mm = ________________ microns (mm)?

What is the definition of opportunity cost? * The value of the next best alternative that is forgone when making a choice. The value of the most expensive alter

Features in the near-range portion of the swath are generally foreshortened less than identical features in the far-range.a. True b. False

The ICD-10-PCS coding system and coding guidelines area. maintained by AHA and updated each January.b. maintained by NCHS and updated each October.c. maintained