praolg
praolg
04-01-2017
Mathematics
contestada
rozwiąż równanie kwadratowe: 3/4 y^2 +9=y/2+(y-3)^2
Respuesta :
LammettHash
LammettHash
04-01-2017
Najpierw rozszerz po prawej strony równania.
[tex]\dfrac34y^2+9=\dfrac y2+(y-3)^2\implies\dfrac34y^2+9=\dfrac y2+y^2-6y+9[/tex]
Przenieść wszystko na jedną stronę i uproszcz.
[tex]\dfrac{y^2}4-\dfrac{11y}2=0[/tex]
Rozkładaj lewą stronę na czynniki.
[tex]\dfrac14y(y-22)=0[/tex]
Są dwa rozwiązania,
[tex]y=0\text{ i }y=22[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 93+ )
Otras preguntas
Find the x and y intercepts
Zidane enterprises has a current ratio of 1.92, current liabilities of $272,934, and inventory of $197,333. what is the firm's quick ratio? round your final ans
Be sure to label your answer.
If today is tuesday what day will it be in 100 days
Why the internet is not considered as mass medium in Africa
The following two-way table shows the number of students of a school who have a video game and/or have a laptop: Have Video Game Do Not Have Video Game Total Ha
What happened to the Ottoman Empire after World War I? (1 point) Its territories were divided under the Treaty of Versailles. It became an independent nation. I
How do we do this? Answer as soon as possible? is it a or b?
The net income earned by the cooper, cross, and crane partnership is $18,000. their respective average capital balances are $20,000, $20,000, and $40,000. what
In the function f(x) = 4(x2 − 6x + ____) + 20, what number belongs in the blank to complete the square?
