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ALGEBRA
Algebra
ALGEBRA EXPRESSIONS
ALGEBRA EXPRESSIONS
Look at the basic algebra videos, below, to learn a little more
ALGEBRA EXPRESSIONS
ALGEBRA EXPRESSIONS
ALGEBRA EXPRESSIONS
An expression does NOT have an equals sign!
ALGEBRA EQUATIONS
ALGEBRA EXPRESSIONS
ALGEBRA EQUATIONS
Expressions can be part of equations:
4x-7 is an expression
4x-7=5 is an equation
MNEMONICS (memory device)
EQUATIONS EQUALS
ALGEBRA FORMULA
Negative & positive signs
ALGEBRA EQUATIONS
FORMULAS are useful tools
HOWEVER, it is important to ALWAYS try to understand the WHY of the formulas you use.
Negative & positive signs
Negative & positive signs
Negative & positive signs
MNEMONIC (memory device)
the policeman says:
"If you're signs that don't agree, that's a negative, I'll take you away!"
"If you're signs that do agree, you may proceed, that's a positive interaction, make it addition!