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Algebra - Coggle Diagram
Algebra
SIgns
x ≤ y means x is lesser than or equal to y
x ≡ y means x is equal to y for all values of x and y
x ≥ y means x is greater than or equal to y
x ≠ y means is not equal to y
x < y means x is lesser than y
x > y means x is greater than y
Equations
An equation is an expression with an =
A variable or an unknown is represented by a letter in an expression
An expression is a maths sentence
A coefficient is the number of a variable
Rules
times number with powers = add powers together
divide numbers with power = take powers away from each other
(x to the power of a) to the power of b = times the powers together
anything to the power of 0 is 1
Random facts
A formula is a rule or fact written with mathematical symbols
An identity is an equation that is true no matter what values are chosen
Factorize means put the expression back into brackets
To get the next number in a Fibonacci sequence you add the previous two together
