## Chapter 2, Lesson 4

**2-4.A** understand the Inverse Property of Addition**Which of these statements are true?I) **The additive inverse of an integer is its opposite.

**II)**0 has no additive inverse,

**III)**The sum of an integer and its additive inverse is 0.

**(a)**I and II only

**(b)**I and III only

**(c)**II and III only

**(d)**I, II, and III

**2-4.B** simplify algebraic expressions

Simplify each expression.**a.** 4*x* + 16 — 7*x* + 1**b.** 2(3*y* — 5) + 8*y*

**2-4.C** substitute into algebraic expressions and evaluate

Evaluate each expression for y = —5.**a.** |—20| + 2*y* **b.** 5*y* + 3^{2} — *y*