Set Interval Inequality Notation

​ ​ ​ ​ ​ Match the notation with its type

•  Interval Notation

• Set Notation

• Inequality Notation

When writing a solution in interval notation, what brackets do i use for: > or <

• [ ]

• ( )

Look at the graph. Write the inequality in interval notation.

• (-2,5)

• (-∞,-2)⋃(5,∞)

• [-2,5]

• (-∞,-2]∪[5,∞)

Write the inequality in interval notation.

• (-2,5)

• (-∞,-2) U (5,∞)

• [-2,5]

• (-∞,-2] U [5,∞)

Convert into its interval notation:

• (-1, 4)

• [-1, 4]

• (-1, 4]

• [-1, 4)

Express the following in Interval Notation
-9 < x ≤ -4

• [-9, -4]

• (-9,-4]

• [-9, -4]

• (-9,-4)

Convert into its interval notation:

• (-1, 4)

• [-1, 4]

• (-1, 4]

• [-1, 4)

When writing in interval notation, what kind of brackets do I use for: or ≤ or ≥

• [ ]

• ( )