Solving and Graphing Simple Inequalities on Number Lines

When graphing an inequality, you use an open dot when you use which symbol?

• <, >

• ≤, ≥ 

• ≤, <

• ≥, >

Would you use a closed or open circle to graph x < 3?

• Closed

• Open

• x ≤ 3 and x > -2

• x < -2 or x ≥ 3

• x > -2 or x < 3

• x < 3 and x ≥ -2

• x > -3 or x > 1

• x < -3 or x < 1

• x ≥ 3 and x ≤ 1

• x > -3 and x < 1

Rewrite the expression with the variable on the left.
17 ≥ p

• p ≤ 17

• p ≥ 17

Which phrase best describes the graph of 4 > b?

• open circle, arrow pointing left

• open circle, arrow pointing right

• closed circle, arrow pointing right

• closed circle, arrow pointing left

The phrase "at least" means

• <

• >

• ≤

• ≥

The phrase "no more than" means

• <

• >

• ≤

• ≥

Write an inequality: There must be at least 20 club members present to hold a meeting.

• m > 20

• m < 20

• m ≤ 20

• m ≥ 20

Write an inequality: The maximum speed allowed on Main Street is 25 mph.

• s < 25

• s > 25

• s ≥ 25

• s ≤ 25