To calculate the value of.
Example: Evaluate the cost of each pie when 3 pies cost $6. 
Answer: $2 each.
Example: Evaluate x2 + 5 when x = 3 
Answer: 32 + 5   =   9 + 5   =   14
It often involves replacing variables with given numbers.
To calculate the value of.
Example: Evaluate the cost of each pie when 3 pies cost $6. 
Answer: $2 each.
Example: Evaluate x2 + 5 when x = 3 
Answer: 32 + 5   =   9 + 5   =   14
It often involves replacing variables with given numbers.