Solving, Translating and Graphing Inequalities

An elevator can only hold 1500 pounds. If equipment weighs 945 pounds, how much more pounds of supplies can be put on the elevator? Which inequality would represent this situation?  

• x - 945 > 1500

• x + 945 > 1500

• x - 945 ≤ 1500

• x + 945 ≤ 1500

The product of 9 and a number is greater than or equal to 10

• 9y < 10

• 9y > 10

• 9y < 10

• 9y > 10

Caleb is making lemonade and cookies for the school bake sale. He has 10 cups of sugar. He needs two cups of sugar for lemonade. Each batch of cookies uses 1 1/2 cups of sugar. What is the maximum number of cookie batches he can make? Write the inequality to the problem.

• 1.5x - 2 ≥ 10

• 1.5x - 2 ≤ 10

• 2x - 1.5 ≥ 10

• 2x - 1.5 ≤ 10

• x < -20

• x > -20

• x > 20

• x < 20

• x > 3

• x ≤ ⅕

• x ≥ 3

• x ≤ ⅕

-4x + 14 ≤ 54

• x ≥ - 10

• x ≤ -10

• x ≥ 10

• x ≤ 10

-9a - 1 < 26

• a < -3

• a < 3

• a > -3

• a > 3

Write an inequality for the following statement.
n is less than 9

• n < 9

• n > 9

• n ≤ 9

• n ≥ 9

When graphing b < 6 would you use an open or closed circle?

• Open

• closed

less than or equal to

• <

• >

• ≤

• ≥