Solving Linear Inequalities on a Number Line

X + 6 > 10

• X > 16

• X > -4

• X < -4

• X > 4

Which inequality symbol has a graph with an open (empty) circle?

• <

• ≤

Solve and graph the inequality.
77 ≤ 5 + 8n

• A

• B

• C

• D

Translate the following phrase: Tom can spend no more than 20 dollars on his mom's birthday present.

• t > 20

• t < 20

• t ≤ 20

• t ≥ 20

-7x + 15 ≥ -20

• x ≥ -5

• x ≤ -5

• x ≥ 5

• x ≤ 5

Translate the following phrase: Grace has $45 at most in her purse on a daily basis

• g < 45

• g > 45

• g ≤ 45

• g ≥ 45

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

What inequality does the number line graph represent?

• x ≤ 4

• x ≥ -4

• x < -4

• x < 4

What inequality does the number line graph represent?

• -x + 4 ≥ -1

• -2x + 3 > -7

• -x + 1 < -4

• 2x + 3 ≥ 13

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

• ≤, ≥ 

• <, >