Chapter 6 Review

Write as an inequality: all real numbers less than 5

Answer explanation

less than: <

Write as an inequality: it takes at least 10 minutes to get to school

Write an inequality for the graph

Answer explanation

arrow going to the right means x is greater than and a closed circle means it's or equal to

Answer explanation

Add 9 to both sides

Answer explanation

divide both sides by -5 and flip the inequality sign

Write an inequality for the graph

Answer explanation

inequalities with or have arrows going in opposite directions

• no solution

• all real numbers

• solution

• not a solution

Answer explanation

plug in 0 for x and y, 4 is not less than 4

Answer explanation

divide both sides by 3

• no solution

• all real numbers