The word “evaluate” has many different meanings. In algebra, when you are asked to evaluate an expression for a specified value of the variable(s), you are being asked to find the value of the expression. You do this by replacing a variable with a number and calculating the result. For example, if you are asked to evaluate the expression
Evaluate the expressions below for the given values of x and y. Homework Help ✎
Rewrite the expression with the number in place of the variable and simplify if possible.
8(2) − 3 + (1)
2(5)(−3) = 10(−3)
2(3)2 − (8)