Solving Inequalities with Multiplication and Division.

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Presentation transcript:

Solving Inequalities with Multiplication and Division

Here is the Big Rule Big Rule- If you multiply or divide by a negative, you must switch the inequality Everything else is the same

4x > 32

Ex 1

Ex 2

6x + 3 > 33

-3x – 5 < 23

Real World An elevator can carry up to 2,500 lb. Suppose the weight of an average adult is 150 lb. At most how many average-sized adults can safely ride the elevator at the same time?

With a partner Jessica is saving up to buy a new car. She needs to save at least 6 times more than she has already saved. How has she already saved if the car costs $24,000?

Closure What is our very important rule??????