IB Maths AA 1.12 Definitions

This page contains our IB Maths AA definitions for 1.12. By learning each one of these definitions, you will fully cover the content for IB Maths AA 'Systems of equations'.

All Topic 1 Sub-topics 1.1: Scientific Notation 1.2: Arithmetic Sequences 1.3: Geometric Sequences 1.4: Interest 1.5: Exponents & Logs 1.6: Deductive Proofs 1.7: Binomial Theorem (HL)1.8: Counting principles (HL)1.9: Partial fractions (HL)1.10: Complex numbers (HL)1.11: Additional proofs (HL)1.12: Systems of equations

augmented

Describes a matrix that includes both the coefficient matrix and the constant terms in one array, separated by a vertical bar.

contradiction

An impossibility or inconsistency reached in an argument, such as deducing two statements that cannot both be true.

intersect

A calculator feature or graphical method that finds the approximate

x

-value where

y=f(x)

and

y=g(x)

meet, corresponding to a solution of

f(x)=g(x)

matrix

A rectangular array of numbers used to represent the coefficients and constants of a system so it can be manipulated systematically.

operations

Calculations such as multiplication, division, addition, and subtraction carried out on numbers written in the form '

a \times10^{k}

system

A set of equations involving the same variables, considered together so that all equations must be satisfied at the same time.

unknowns

Variables whose values are to be found so that all equations in the system are true simultaneously.

Next Up

You have completed the topic 1 definitions for IB Maths AA - continue with related resources below or explore the full IB Maths AA course from the IBO.

Explored IB Maths AA Definitions?

Get stuck into one of our other subjects!

Other subjects' Definitions

Biology

Chemistry

Physics

Maths AI

Join 85,000 students, across 130+ countries, in 500+ IB schools. That's half of the IB science graduates worldwide.

Start a 7d free trial