theirvoice945
theirvoice945 theirvoice945
  • 24-02-2020
  • Mathematics
contestada

if the one root of the quadratic equation
[tex]ax ^{2} - 5x + 2 = 0[/tex]
is 2 then the other root is​

Respuesta :

amna04352
amna04352 amna04352
  • 24-02-2020

Answer:

½

Step-by-step explanation:

If 2 is a root:

a(2)² - 5(2) + 2 = 0

4a - 10 + 2 = 0

4a = 8

a = 2

2x² - 5x + 2 = 0

2x² - 4x - x + 2 = 0

2x(x - 2) - 1(x - 2) = 0

(x - 2)(2x - 1) = 0

x = 2, ½

Answer Link

Otras preguntas

LAST ATTEMPT IM MARKING AS BRAINLIEST!! (Draw a dilation of the figure using the given scale factor )
Matthew spent 2/3 of his birthday on books and 1/4 of his birthday money on snacks. He says he spent 3/7 of his birthday money. Which statement is most accurate
20 points please help with this
At school Spencer is selling tickets to the Little Mermaid play. The first day of ticket sales sold 5 senior citizen tickets and 4 child tickets for a total of
The illustration below represents____, which is responsible for genetic diversity.
Captain Brewster captured a pack of aliens. The following data points represent the lengths of each of the aliens' big toes (in centimeters). 18, 16, 17, 17, 16
Lan started collecting dolls 7 years ago. (Using the present perfect tense) Lan has __________________________________________
Recall all the models you described in task 1. Think about the results each model would predict for the experiment with hydrogen gas. Which models of the atom d
Ratio. Proportion and many method d) 15 workers were employed to complete a piece of work in 36 days. How many more workers should be added to complete the work
Please help !!! Will give you the brainliest !!