### Home > CCA > Chapter 2 > Lesson 2.3.2 > Problem2-92

2-92.

This problem is the checkpoint for evaluating expressions and the Order of Operations. It will be referred to as Checkpoint 2

Evaluate each expression if $x=−2,y=−3$, and $z=5.$ Homework Help ✎

1. $2x+3y+z$

1. $x−y$

1. $2(\frac{x+y}{z})$

1. $3x^2−2x+1$

1. $3y(x+x^2−y)$

1. $\frac { - z ^ { 2 } ( 1 - 2 x ) } { y - x }$