Inequalities, Set Builder Notation, and Interval Notation

Write the following solution in set builder notation:

x ≥ -2

• { x | x ≥ 2 }

• { x | x ≥ -2 }

• { x ≥ -2 }

• { x | x ≤ -2 }

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

Write the following solution in set builder notation:

y > 10

• { y > 10 }

• { y | y > 10 }

• { y | y < 10 }

• ( -0, 10 )

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

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

> or <

• [ ]

• ( )

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

or ≤ or ≥

• [ ]

• ( )

Write the following solution in interval notation:

x ≥ -3

• [ -3, ∞ )

• ( -3, ∞ )

• ( -∞ , -3 )

• ( -∞ , -3]

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Write the following solution in interval notation:

z < 20

• ( -∞ , 20 )

• ( 20,∞)

• ( -∞ , 20)

• ( -∞ , 20]

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Write the following solution in interval notation:

x ≥ 6

• ( -∾ , 6]

• ( -∾ , 6 )

• ( 6, ∾ )

• [ 6, ∾ )

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

When graphing an inequality solution, what type of circle do I draw for the symbol:

> or <

• open circle

• closed circle

Tags

CCSS.HSA.REI.D.12

When graphing an inequality solution, what type of circle do I draw for the symbol:

or ≤ or ≥

• Closed Circle

• Open Cirlce

Tags

CCSS.HSA.REI.D.12

Why do I draw a closed circle when it's less than or equal to or greater than or equal to?

• Because we are INCLUDING that solution

• Because we are NOT INCLUDING that solution

Tags

CCSS.HSA.REI.D.12