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

simplify? :-) Im so annoyin

John is preparing lentils for the meal service. He pours the lentils from the package into the pot and adds water and the spices from the recipe. He cooks them

Find the missing side .Round to the nearest tenth.

what is a good poem that uses idioms?

So molecules are too big to pass through the phospholipid bilateral of the cell membrane these molecules need to pass through

Temperature, acidity, the ability to absorb co2, and other properties of the oceans are changinf as a result of human activities a. True b. False

All immunity is developed after birth. True False

Which of the following are situations that can be modeled with a quadratic function? Select all that apply. 1)A tree decays 10% every six weeks 2)The height of

Which battle in the Pacific is known as "the avenge for Pearl Harbor"? Question 4 options: Battle of Coral Sea Battle of Guadalcanal Battle of Midway Battle of

This element is found in all living things. It is recycled when organisms die. It is transformed from one form to another through photosynthesis and cellular re