Gcse Math To Remember Flashcards
1
Q
The quadratic formula
A
X = -b +- (square root of) bsquared - 4ac / 2a
2
Q
Determining of number of solutions
A
Bsquared - 4ac
3
Q
Perpendicular line
A
Negative reciprocal
4
Q
Area of a circle
A
Pi r squared
5
Q
Circle perimeter
A
Pi d / 2 pi r
6
Q
Non right angle triangle labelling
A
Capital ABC for angles
Opposite sides lower case abc
7
Q
Area of a no right angle triangle
A
1/2 ab sin c
8
Q
Tan
A
Opp/adj
9
Q
Volume of a pyramid
A
1/3 * base area * height
10
Q
Area of a right angle triangle
A
1/2 * base * height
11
Q
Area of a trapezium
A
1/2 the sum of the parallel sides * the distance between them
12
Q
Pressure
A
Force/area
13
Q
Trig sides
A
Hypotenuse
Opposite
Adjacent
14
Q
Density
A
Mass/volume
15
Q
Cosine rule
A
asquared = bsquared+csquared -2bc cos A
