Evaluate 3x-y-2z if x = 2, y = 1, and z = -2. Now determine two common mistakes that can be made when evaluating expressions and how you can prevent them.
Solve each of these expressions. Using order of operations explain why they are the same or different. A: 3(4) + 3(7) - 17^2 and B: 3(4 + 7) - 17^2.
3) Explain the difference between algebraic expressions and equations.
4). What algebraic expression is used for writing "2 less than x" and where could this example be found in the real world?
5) Explain the difference between x + x and x * x. How do the answers differ and how do they

Question

Evaluate 3x-y-2z if x = 2, y = 1, and z = -2.  Now determine two common mistakes that can be made when evaluating expressions and how you can prevent them.
Solve each of these expressions.  Using order of operations explain  why they are the same or different. A: 3(4) + 3(7) - 17^2 and B: 3(4 + 7) - 17^2.
3) Explain the difference between algebraic expressions and equations.
4). What algebraic expression is used for writing "2 less than x" and where could this example be found in the real world?
5) Explain the difference between x + x and x * x.  How do the answers differ and how do they