Intro to Solving Linear Inequalities

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

• <, >

• ≤, ≥ 

Write an inequality for this situation:
You are driving, and the maximum speed limit is 55.

• s < 55

• s > 55

• s ≤ 55

• s ≥ 55

Solve the inequality. Don't forget to check your solution set.
12 ≥ 15 - 6y

• y ≤ ½

• y ≤ 2

• y ≥ ½

• y ≥ 2

Solve:
3(x - 2) < 2(x + 9)

• x<24

• x>12

• x<12

• x>24

-3 − 6(4x + 6) > -111

• x > 3

• x < 3

• x < -3

• x > -3

Which is a solution of

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

• no solution

• v > 5

• v > -5

• all real numbers

you must be at least 48 inches to ride the roller coaster.

• x > 48

• x < 48

• x ≤ 48

• x ≥ 48

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

• True

• False

Solve the inequality

• x ≤ 2

• x ≤ -2

• x ≥ 2

• x ≥ -2

You need to save a minimum of $1200 to purchase your new laptop.  If you already have saved $400 and make 11 per hour, h, at your job, which inequality could be use to solve to determine how many hours you need to work to save enough money.

• 11h + 1200 ≥ 400

• 11h + 400 < 1200

• 11h + 400 > 1200

• 11h + 400 < 1200