Substitution
- Created by: Elca
- Created on: 12-03-15 19:54
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- A formula is a rule which links a variable to one or more other variables.
- The variables are written in shorthand by representing them with a letter.
- Substitution involves replacing the letters in a given formula or expression with numbers.
Example
Find the value of the expression 2a^3 + b when a = 3 and b = 5.
Replace the letters with the…
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