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

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

A second baseman tosses the ball to a first baseman, who catches it a the same level from which it was thrown. The throw is made with an initial speed o 19.0 m/

Calculate the slope of a Line that intersects point (6,2) And ((-4,-3). A.1/2. B.2/3 C.4/5. D.7/8. For me the answer are a. Please help me.

can you tell me what Is Pleonasm?

The name of each contestant is written on a separate card, the cards are placed in a bag, and three names are picked from the bag. Identify which type of sampli

what event triggered world war i ?

what is a 'birthday suit'?

Which Kelvin temperature is equal to 200.°C?

Write the equation For a Line that intersects points(1,3) And (2,5) which one is a.y=x+2 B.y=2x+1. C.y=3x-3. D.Y=-x+3 For me is letter B.please help

how reliable are grammar checkers?

Calculate the slope of a Line that intersects point (6,2) And ((-4,-3). A.1/2. B.2/3 C.4/5. D.7/8. For me the answer are a. Please help me.