Maths

Question 1

Nth term formula

Accepted Answer

n = a + (n-1)d

Question 2

Histogram formula

Accepted Answer

$fd=\frac{f}{cw}$

Question 3

Rearranged cosine rule

Accepted Answer

$cosA= \frac{b^2 + c^2 - a^2}{2bc}$

Question 4

f(x)+a

Accepted Answer

graph moves up/down the y axis

Question 5

f(x+a)

Accepted Answer

graph moves along x-axis the opposite way to the sign

Question 6

-f(x)

Accepted Answer

flips graph across x-axis

Question 7

f(-x)

Accepted Answer

flips graph across y-axis

Question 8

af(x)

Accepted Answer

y-coordinates are multiplied by a

Question 9

f(ax)

Accepted Answer

when a is increased, number of waves increases proportionally

Question 10

Exterior angle

Accepted Answer

$\frac{360}{n}$

Question 11

Interior angle

Accepted Answer

$\frac{(n-2) 	imes 180}{n}$

Alle Karten