Tutto Flashcards

1
Q

Distanza tra due punti

A

√(yP-yQ)2 + (xP-xQ)2

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2
Q

Punto medio

A

M[(xA+xB):2; (yA+yB):2]

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3
Q

Retta generica

A

y=mx+q

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4
Q

Retta // asse x

A

y=n

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5
Q

Retta // asse y

A

x=n

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6
Q

Asse x

A

y=0

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7
Q

Asse y

A

x=0

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8
Q

Retta passante per l’origine

A

y=mx dove m=yP:xP

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9
Q

Coeff Angolare

A

(yP-yQ):(xP-xq)

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10
Q

Fascio Improprio

A

y=2x+q

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11
Q

Fascio proprio

A

y-yP=m(x-xP) e x=xP

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12
Q

Intersezione tra due rette

A

Sistema

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13
Q

Trova centro fascio proprio

A

Pongo dei valori a K che possano annullare o la x la y e poi faccio un sistema

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14
Q

Distanza punto retta

A

|axP+byP+c| : √a2+b2

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15
Q

Parabola

A

y=ax*2+bx+c

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16
Q

Vertice parabola

A

V(-b:2a; -Δ:4a)

17
Q

Intersezione con l’asse x della parabola

A

Sistema dove pongo equazione della parabola =0, se escono dei valori attendibili faccio subito la tabella

18
Q

Bisettrice 1 e 3 quadrante

A

y=x

19
Q

Bisettrice 2 e 4 quadrante

A

y=-x