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Natural Numbers
Full, positive Numbers
Integers
Full Numbers, positive and negative
Orders of evaluation
- Evaluate expressions within parentheses.
- Evaluate terms with exponents.
- Do all multiplications and divisions (from left to right).
- Do all additions and subtractions (from left to right).
FOIL rule
First outer Inner Last
Product
the result of a multiplication
Factor
A whole numer is a Factor of another whole number if it divides the number exactly.
How can you write xn without an exponent ?
1/xn da x-n = 1/xn und xn=1/x-n
1. binominal formula
(a+b)2=a2+2ab+b2
2. binomial formula
(a−b)2=a2−2ab+b2
3. Binomic formula
(a+b)⋅(a−b)=a2−b2
Methods to factorize quadratic equations
dissection method
Quadratic formula
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