Tiesinė Funkcija Ir Tieses Lygtys Flashcards

1
Q

y=g(x)=kx+b funkcija yra vazinama ….

A

Tiesine arba pirmojo laipsnio

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2
Q

Kai k yra daugiau uz nuli tai funkcija ….

A

Dideja

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3
Q

Kai k yra mziau uz nuli tai funkcija …

A

Mazeja

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4
Q

Kai k=0 tai funkcija eina….

A

Tiesiai

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5
Q

Tiesė y = 2x + 3, kur funkcija kirs OY asi?

A

Vietoj x istatyti 0, atsakymas yra 3
y=2×0+3=3

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6
Q

Kada funkcija y=2x+3 kerta OX asi

A

Kada y=0
P=2x+3 —> 2x = -3 —> x = -3/2

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7
Q

Kada k=0 ir b=0 tai tiese yra

A

Tiesi eina per x asi

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8
Q

Kaio sužinoti funkcijos nulius

A

Formukeje vietoj y ideti 0

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9
Q

Kaio parkdyti teisinga nelygybe

A

5x-4>0
5x>4
x>4/5
xe (4/5;+begalybe)

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10
Q

Jeigu tieses yra lygiagrecios tai k yra vienodas ar skirtingas, kodel?

A

Vienodas, nes jis rodo kad tiesiu yra vienodas pasvirimo kampas

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11
Q

Jeigu tieses yra lygiagrecios tai b yra vienodas ar skirtingas, kodel?

A

Skirtingas, nes jei b¹=b² tai rodytu tokia pacia tiese

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