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Algebra 1 3-3 Solving Inequalities Using Multiplication or Division

5 (1 rating)

| 19 Questions

Note from the author:

A complete formative lesson with embedded slideshow, mini lecture screencasts, checks for understanding, practice items, mixed review, and reflection. I create these assignments to supplement each lesson of Pearson's Common Core Edition Algebra 1, Algebra 2, and Geometry courses. See also mathquest.net and twitter.com/mathquestEDU.

1

5 pts

Solve It! Drag the appropriate inequality sign to fill in each blank.

- (4)(3) ___ (1)(3)Answer by dragging items here
- (4)(2) ___ (1)(2)Answer by dragging items here
- (4)(1) ___ (1)(1)Answer by dragging items here

2

5 pts

Solve It! Drag the appropriate inequality sign to fill in each blank.

- (4)(-1) ___ (1)(-1)Answer by dragging items here
- (4)(-2) ___ (1)(-2)Answer by dragging items here
- (4)(-3) ___ (1)(-3)Answer by dragging items here

3

10 pts

Solve It! Consider the previous item. What happens to the inequality symbol when you multiply each side of an expression by a positive number? A negative number? Justify your reasoning.

4

10 pts

Problem 1 Got It? What are the solutions of the inequality?

c > 2

4 < c

c > 1/32

c < 1

5

10 pts

Problem 1 Got It? Graph the solutions of the inequality.

Include all relevant graph detail.

6

10 pts

Problem 2 Got It? What are the solutions of the inequality?

n > -36

n > -4

-36 < n

n < -4

7

10 pts

Problem 2 Got It? Graph the solutions of the inequality.

Include all relevant graph detail.

8

10 pts

Problem 3 Got It? A student club plans to buy food for a soup kitchen. A case of vegetables costs $10.68. The club can spend at most $50 for this project. What are the possible numbers of cases the club can buy? Categorize the number of cases.

- The club can afford:Answer by dragging items here
- The club can not afford:Answer by dragging items here

zoom in

9

10 pts

Problem 3 Got It? Reasoning: In Problem 3, why do you round to the greater whole number?

10

10 pts

Problem 4 Got It? What are the solutions of the inequality?

x > 50

x > -2

x < 2

x < 50

11

10 pts

Problem 4 Got It? Graph the solutions of the inequality.

Include all relevant graph detail.

zoom in

12

10 pts

Match each inequality with its graph.

- Graph AAnswer by dragging items here
- Graph BAnswer by dragging items here
- Graph CAnswer by dragging items here
- Graph DAnswer by dragging items here

13

10 pts

Which operation would you use to solve the inequality? Explain. Respond for each of the three inequalities.

14

10 pts

Error Analysis: Describe and correct the error in the solution.

15

10 pts

Review Lesson 2-3: Solve the equation.

Enter only a number.

16

10 pts

Review Lesson 2-3: Solve the equation.

Enter only a number.

17

10 pts

Review Lesson 2-3: Solve the equation.

Enter only a number.

18

10 pts

Vocabulary Review: Drag the inequalities into the Inequality category.

- InequalityAnswer by dragging items here

19

10 pts

Reflection: Math Success

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