Funciones Flashcards

1
Q

Función inyectiva

A

Toda preimagen tiene una única imagen

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2
Q

Función epiyectiva

A

Toda imagen debe tener al menos una preimagen

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3
Q

Función biyectiva

A

Es intectiva y epiyectiva

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4
Q

Ecuación principal de la recta

A

y = mx + n

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5
Q

Cálculo pendiente (m)

A

(y2 - y1)/(x2 - x1)

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6
Q

Cálculo punto medio de la recta

A

(x1 + x2)/2 ; (y1 + y2)/2

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7
Q

Cálculo de la distancia entre dos puntos de la recta

A

Raíz de ((x2 - x1)^2 + (y2 - y1)^2)

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8
Q

Pendiente paralela al eje Y

A

Indefinida

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9
Q

Pendiente paralela al eje X

A

m = 0

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10
Q

Pendiente hacia la derecha

A

m —> positiva

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11
Q

Pendiente hacia la izquierda

A

m —> negativa

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12
Q

Rectas colineales

A

Infinitos puntos de instersección

(a1/a2) = (b1/b2) = (c1/c2)

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13
Q

Rectas paralelas

A

No tienen solución, es decir puntos de intersección

a1/a2) = (b1/b2) diferente (c1/c2

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14
Q

Rectas secantes

A

Solución única, es decir se intersectan

a1/a2) diferente de (b1/b2

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