### Home > CC3 > Chapter 2 > Lesson 2.1.9 > Problem2-89

2-89.

This problem is a checkpoint for evaluating expressions and using 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. $2\left(\frac{x+y}{z}\right)$

1. $3x^2−2x+1$

1. $3y(x+x^2−y)$

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