Maths Flashcards
1
Q
Expanding
A
Times them out
2
Q
Factorising
A
Finding the + and x and putting in brackets
3
Q
Solving
A
Put into brackets and = after
X = the opposite sign num for both
4
Q
Factorising 2 squares
A
(X - num) (x + num)
5
Q
Finding the mid points
A
(X1 + X2 , Y1 + Y2)
(———. ———-)
( 2. 2. )
6
Q
Gradient and if two
A
Rise/run or y - y/x - x
7
Q
Equation of a line
A
Y = mx + c
8
Q
Median on a graph
A
50% mark
9
Q
Lower quartile
A
Half of median
10
Q
Upper quartile
A
Half of median but on top
11
Q
Interquartile range
A
Upper quartile - lower quartile
12
Q
Pressure triangle
A
Pressure = force/area
13
Q
Volume of a hemisphere
A
2/3 pie r2
14
Q
Arc length
A
0/360 x 2 pie r
15
Q
Sector area
A
0/360 x pie r2
