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matematika

Sedlový bod

Zisti, či má funkcia f(x,y)=x^3+y^4+12xy sedlový bod.

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matematika

Viazané extrémy

Nájdi viazané extrémy funkcie f(x,y)=x^2.y na kružnici x^2+y^2=3

Júlia J.
matematika

Budú veľmi vďačná za pomoc

Nájdite riešenie Cauchyho úlohy y'-y=e^x, y(0)=2

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matematika ZŠ

10 boký hranol

Kolko vrcholov,kolko stien a kolko hran má desať boký hranol?

Mirka H.
matematika - sš

Intervalové triedenie

Dobrý deň, potrebovala by som vysvetlenie (a asi teda aj riešenie) priloženej úlohy Ďakujem za odpovede

Angelika S.
matematika

Graf funkcie

Narysuj graf funkcií y =2/x, y=1/x ,y=3/x.

Angelika S.
matematika

Lineárne funkcie

Leží bod A(4/5;1/5) na grafe lineárnej funkcie y=1/2 - 3/5 ?

Angelika S.
matematika

Lineárne funkcie

Aké súradnice má priesečník P grafov linearnych funkcií y=2x - 3 a y=-6x - 5 a) (2,1), b)(1,-1) ,c) (-1,-5) ,d)(1/2, -2)

Angelika S.
matematika

Graf funkcie

Vypocitaj,v ktorom bode sa pretína graf funkcie y=5x-8 os x aj y

Angelika S.
matematika

Lineárne rovnice

Ktorá z uvedených rovníc je rovnicou nepriamej úmernosti? a) y=4/5x , b) y=5/4*x , c) y=3/2*x/5 ,d) y=3x/10

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