fórmulas Flashcards

1
Q

bháskara

A

x = -b +- \/delta
2a

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

bháskara (delta)

A

/\ = b² - 4ac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

relação de soma duas raízes

A

x¹ + x² = -b/a

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

relação de produto duas raízes

A

x¹ + x² = c/a

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

produto notável : (a + b)²

A

a² + 2ab + b²

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

diferença de dois quadrados : (a - b)²

A

a² - 2ab + b²

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

agrupamento (produtos notáveis)
ax + ay + bx + by

A

a (x + y) + b (x + y)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

área trapézio

A

A = (B + b) × h
2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

área triângulo

A

A = (b × h)
2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

tg 60°

A

raiz de 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

tg 45°

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

tangente do ângulo

A

cateto oposto dividido pelo cateto adjacente

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

seno do ângulo

A

cateto oposto dividido pela hipotenusa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

coseno do ângulo

A

cateto adjacente dividido pela hipotenusa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

seno² + coseno² sempre será ____

A

1.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

teorema de pitágoras

A

a² = b² + c²
hipotenusa ao quadrado é igual a soma dos quadrados dos catetos.

17
Q

inclinação ângulo para baixo

A

negativo (-)

18
Q

inclinação ângulo para cima

A

positivo (+)