Chapter 3, Lesson 4


3-4.A solve equations using addition or subtraction
Solve each equation.
a. —28 = y — 7
b. q — (—6) = 12

3-4.B test statements of inequality
Write true or false for each statement.

3-4.C graph inequalities on number lines

Which inequality represents the graph shown?
(a)
x < —1
(b) x ≤ —1
(c) x > —1
(d) x ≥ —1