INEQUALITIES AND INTERVAL NOTATION

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.6.EE.B.8

Write the following solution in interval notation:

x ≥ 6

• ( -∾ , 6]

• ( -∾ , 6 )

• ( 6, ∾ )

• [ 6, ∾ )

Tags

CCSS.6.EE.B.8

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

> or <

• open circle

• closed circle

Tags

CCSS.6.EE.B.8

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.6.EE.B.8

Solve the inequality.

x + 5 ≤ 13

• [8, ∞)

• [18, ∞)

• (-∞, 8]

• (-∞, 18]

Tags

CCSS.7.EE.B.4B

10 < 3x + 19

• (-∞, 3)

• (3, ∞)

• (-∞, -3)

• (-3, ∞)

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Solve the inequality.

12 ≥ 15 - 6y

• ½ ≤ y

• 2 ≤ y

• ½ ≥ y

• -2 ≥ y

Tags

CCSS.7.EE.B.4B

5z - 2 < 13 + 2z

• (5, ∞)

• (-∞, 5)

• (1, ∞)

• (-∞, 1)

Solve:
8 - 3k < 8(1 - 7k)

• k < 5
• k > 5
• k < -33
• k < 0

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3