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Algebra - Coggle Diagram
Algebra
Indices
rule 1
rule 2
rule 3
negative indices become fractions:
fractional indices become roots:
anything to the power of 0 is 1 and anything to the power of 1 is itself
key terms
an equation is an expression with an = sign
a variable or an unknown is represented by a letter in an expression
an expression is a maths sentence
a coefficient is the number in front of a variable
factorise means put the expression back into brackets
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
Greater than / less than
x>y = x is greater than y
x<y = x is less than y
x≥y = x is more than or equal to
x≤y = x is less than or equal to y
x≡y = x is equal to y for all values of x and y
x≠y = x is not equal to y
fibonacci sequence
to calculate the next term in the Fibonacci sequence you add the previous two terms
what is a linear sequence?
a number pattern that increases (or decreases) by the same amount each time is called a linear sequence
Quadratic Formula
