Maths - Formulas Flashcards by Aerin Gan

Q

speed

A

distance / time

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

distance

A

time x speed

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

time

A

distance / speed

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

density

A

mass / volume

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

volume

A

mass / density

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

mass

A

density / volume

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

gradient

A

m = (y2-y1) / (x2-x1)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

perpendicular line gradients

A

m1 x m2 = -1

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

midpoint

A

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

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

length of line

A

√(x2-x1)² + (y2-y1)²

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

quadratic formula

A

-b ± √(b² - 4ac) / 2a

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

area of sector

A

(θ/360°) x πr²

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

arc length of a sector

A

(θ/360°) x 2πr

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

simple interest

A

p x r x t

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

rule of indices - a^0

A

𝑎^0 = 1

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

rule of indices - a^1

Study These Flashcards

A

a^1 = whatever number

Q

rules of indices - a^x

Study These Flashcards

A

a^x = 1 / a^n

Q

volume of a prism

Study These Flashcards

A

area of cross section x depth

Q

Study These Flashcards

A