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Algebra 1 3-2 Solving Inequalities Using Addition or Subtraction
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3 (2 ratings)
by Matthew Richardson
| 25 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.
The outlined content above was added from outside of Formative.
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1
10 pts
Solve It! What is the least number of states in the southeastern U.S. that the candidate could win and still become president?
Enter only a number.
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10 pts
Problem 1 Got It? Solve the inequality, showing your step(s), and graph the solutions on the number line.
Be sure to include all relevant graph detail.
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10 pts
Problem 2 Got It? Solve the inequality, showing your step(s), and graph the solutions on the number line. Check your solutions.
Be sure to include all relevant graph detail.
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10 pts
Problem 3 Got It? Solve the inequality, showing your step(s), and graph the solutions on the number line. Check your solutions.
Be sure to include all relevant graph detail.
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5
10 pts
Problem 4 Got It?
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10 pts
Problem 4 Got It?
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10 pts
Solve the inequality. Then graph and check your solution.
Include all relevant graph detail.
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10 pts
Solve the inequality. Then graph and check your solution.
Include all relevant graph detail.
9
10 pts
Solve the inequality. Then graph and check your solution.
Include all relevant graph detail.
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10 pts
Solve the inequality. Then graph and check your solution.
Include all relevant graph detail.
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10 pts
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10 pts
Writing: How can you use the addition and subtraction properties of inequality to produce equivalent inequalities?
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30 pts
Reasoning: What can you do to the first inequality in each pair in order to get the second inequality?






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10 pts
Compare and Contrast: Suppose you solve the two inequalities:

How are your methods of solving the inequalities similar? How are they different?
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10 pts
Review Lesson 3-1: Define a variable and write an inequality to model the situation.

A hummingbird migrates more than 1850 mi.
Let m represent the distance in miles that a hummingbird migrates; m ≥ 1850
Let d represent the distance in miles that a hummingbird migrates; d > 1850
Let h represent the distance in miles that a hummingbird migrates; h < 1850
16
10 pts
Review Lesson 3-1: Define a variable and write an inequality to model the situation.
An octopus can be up to 18 ft long.
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5 pts
Review Lesson 1-2: Simplify the expression.
Enter only a number.
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5 pts
Review Lesson 1-2: Simplify the expression.
Enter only a number.
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5 pts
Review Lesson 1-2: Simplify the expression.
Enter only a number, in decimal form.
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5 pts
Review Lesson 2-1: Solve the equation.
Enter only a number.
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5 pts
Review Lesson 2-1: Solve the equation.
Enter only a number, in this form: -21/4
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10 pts
Review Lesson 2-1: Solve the equation.
Enter only a number in simplest form.
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10 pts
Use Your Vocabulary: Categorize each of the equations.
  • Equivalent to the equation x = 3
    Answer by dragging items here
  • Not equivalent to the equation x = 3
    Answer by dragging items here
24
10 pts
Use Your Vocabulary: Categorize each of the inequalities.
  • Equivalent to x ≤ 3
    Answer by dragging items here
  • Not equivalent to x ≤ 3
    Answer by dragging items here
25
10 pts
Reflection: Math Success
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