Interval Notation Review

Which is a correct way to represent -4 < x < 3 in interval notation? (Given x is an integer)

• (-4, 3)

• [-4, 3]

• (-4 , 3]

• [-4, 3)

Which is a correct way to represent 2 ≤ x < 10 in interval notation? (Given x is an integer)

• (2, 10)

• [2, 10]

• [2, 9]

• (3, 10]

Which is a correct way to represent 5 ≤ x ≤ 7 in interval notation? (Given x is an integer)

• (5, 7)

• [5, 7]

• [4, 8]

• (5, 7]

Which is a correct way to represent -6 < x ≤ 0 in interval notation? (Given x is an integer)

• [-5, 0]

• (-5, 0)

• (-5, 1]

• (-5, 0]

Which is a correct way to represent 7 ≤ x ≤ 9 in interval notation? (Given x is an integer)

• (7, 9)

• (7, 9]

• (6, 10)

• [7, 10]

Which is NOT

a correct way to represent 1 ≤ x < 7 in interval notation? (Given x is an integer)

• [1, 7)

• (0, 7)

• [1, 6]

• [1, 7]

Which is NOT

a correct way to represent 3 < x < 8 in interval notation? (Given x is an integer)

• [2, 7]

• [2, 8)

• (3, 8]

• (3, 7]

Express the following interval in Set notation:
(-7, 15]

• -7 ≤ x ≤ 15
• -7 < x ≤ 15
• -7 ≤ x < 15
• -7 < x < 15

Express the following in Interval Notation
 -8 ≤ x < 8 

• [-8, 8]
• [-8,8)
• (-8, 8]
• (-8, 8)

Which is the closest to " [ a, b) "

• All values between a and b, including both a and b

• All values between a and b, excluding both a and b

• All values between a and b, including a, but excluding b

• All values between a and b, including b, but excluding a