Solving and Graphing Inequalities on a Number Line

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

• ≤, ≥ 

• <, >

What inequality does the number line graph represent?

• x ≤ 4

• x ≥ -4

• x < -4

• x < 4

No More Than

• <

• >

• ≤

• ≥

At Least

• <

• >

• ≤

• ≥

4x - 2 ≤ -22

• x ≥ -5

• x ≥ -6

• x ≤ -6

• x ≤ -5

7b - 3 < 11

• b < 2

• 84 > b

• b > 2

• b < 84

1 + 3r > 10

• r < 11

• r > 3

• 27 > r

• r > 27

9x + 3 < 21

• x > 2

• x < 2

• x > 9

• x < 9

Which is a solution of

5(2v + 3) - 10v > -10

• no solution

• v > 5

• v > -5

• all real numbers

4x + 3 < -1

• x < -1

• x < 1

• x < 2

• x > 4