Pre Algebra Inequalities

Solve the inequality:
x + 7 < 9 

• x < 2

• x < 16

• x < 63

Solve the inequality:
8x ≤ 32

• x ≤ 4

• x ≤ 40

• x ≤ 5

You and your friend are planning to walk across an old bridge. The bridge can hold at most 1000 pounds. The total weight of the people currently on the bridge is 675 pounds. You weigh 156 pounds.Write and solve an inequality that represents how much your friend can weigh within the limits of the bridge.

• X ≤ 169 

• X < 169

• X < 156

• X > 156 

Solve the following inequality:
-4x + 14 ≤ 54

• x ≥ -10

• x ≤ -10

• x ≥ 10

• x ≤ 10

Nick is buying a teddy bear and flowers for his wife. Flowers Galore charges $12 for the teddy bear and $0.50 per flower. Famous Florist charges $10 for the teddy bear and $1.00 per flower. Which inequality correctly represents the number of flowers, x, Nick would need to buy to make Flowers Galore the cheaper option? hint:( your equation is x and the inequality symbol followed by your numerical answer).

Mathematical Equivalence

ON

Write the inequality of the graph given. (Slope intercept form)

Mathematical Equivalence

ON

A customer is ordering hats and T-shirts from an online store. Each hat costs $7, and each T-shirt costs $10. The customer receives free shipping if the amount of the order is over $100.

Write an inequality that represents all possible combinations of hats, x, and T-shirts, y, in an order that qualifies for free shipping.

Move the correct answer to each box. Not all answers will be used.

​​ (a)   x+​ (b)   y​ (c)   ​ (d)  

• 100

• 7

• 10

• 17

• <

• >

• =

A customer is ordering hats and T-shirts from an online store. Each hat costs $15, and each T-shirt costs $12. The customer receives free shipping if the amount of the order is over $150. Write an inequality that represents all possible combinations of hats, x, and T-shirts, y, in an order that qualifies for free shipping.

• 15

• 12

• >

• 150

• <

• =

• 27

A student is ordering a flower arrangement.  She can choose any combination of roses and carnations for her flower arrangement, and she does not want to spend more than $30.

If roses cost $3 each and carnations cost $2 each, which inequality represents all possible combinations of x roses and y carnations?

Mathematical Equivalence

ON

A university will spend at most $4,500 to buy monitors and keyboards for a computer lab. Each monitor will cost $250, and each keyboard will cost $50.

Write the inequality in standard form that represents all possible combinations of x, the number of monitors, and y, the number of keyboards, the university can buy for the computer lab?

Mathematical Equivalence

ON