Inequalities

When you graph an inequality, you use a closed dot when you use which symbols?

• ≤, ≥ 
• <, >
• ≤, <
• ≥, >

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

• <, >
• ≤, ≥ 
• ≤, <
• ≥, >

x + 5 > 7

• x > -2
• x > 2
• x > 12
• x > -12

8x < 48

• x < -6
• x > -6
• x < 6
• x > 6

Does the given value make the inequality true?  x + 9 > 21, when x = 15

• True
• Not True

Which sentence represents m > 41?

• Mary’s points, m, totaled more than 41
• Calvin ran no less than 41 miles, m
• The temperature, m, was less than 41°F
• The magazines’ cost, m, was not more than $41.

n - 8 ≥ 3

• n≥11
• n≥-11
• n≤11
• n≥5

Solve the inequality
12 ≥ 6w

• w > 2
• w < 2
• w ≥ 2
• w ≤ 2

r - 12 ≥ 17

• r ≥ 5

• r ≥ -29

• r ≥ 29

• r ≥ -5

What are two solutions to x < 8?

• 8.6, 7.9

• 11, 16

• 7.8, 5.9

• 12, 7.1