A LEVEL MATHEMATICS
Quadratics -
- Factorise: Product, sum and factor.
-Completing squares :X(x-ax)^2+b
- quadratic formula
Quadratic Inequalities -
an inequality of the form y>ax^2+bx+c with a not equal to zero
Discriminant of a quadratic equation -
The discriminant of a quadratic equation of the form
ax2 + bx+ c = 0, a ≠ 0, is the number b2 - 4ac
Simultaneous equations -
equations involving two or more unknowns that are to have the same values in each equation.
Domain and Range -
The set of x values in a relation is the domain. The set of y values in a relation is the range.
Functions -
A prewritten formula that provides a shortcut to common calculations
composite function -
a combination of two functions such that the output from the first function becomes the input for
the second function
inverse function -
