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Big Ideas 7.7. Solving Inequalities Using Multiplication or Division

Last updated over 5 years ago

7 questions

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Activity 1: Writing an Inequality

Question 1

1.

Which of the following represents your purchase? What does x represent? Be prepared to explain your reasoning.

2x < 20

2x ≤ 20

2x > 20

2x ≥ 20

Question 2

2.

Graph the possible values of x on a number line. Be prepared to explain how you decided what to graph.

Question 3

3.

Can you buy a third shirt? Be prepared to explain your reasoning.

Activity 2: Writing an Inequality

Question 4

4.

Which of the following represents your ability to buy the jeans with $20? What does x represent? Be prepared to explain your reasoning.

1/4 x < 20

1/4 x ≤ 20

1/4 x > 20

1/4 x ≥ 20

Question 5

5.

Graph the possible values of x on a number line. Explain how you decided what to graph.

Question 6

6.

Can you afford a pair of jeans that originally costs $100? Be prepared to explain your reasoning.

Question 7

7.

Match the inequality with its graph.