Algebra 2 1-6 Guided Practice: Absolute Value Equations and Inequalities

Last updated about 3 years ago
22 questions
3

Video Check: Select all that apply with regards to the video embedded directly above this item.

10

Solve It! You are riding in an elevator and decide to find out how far it travels in 10 minutes. You start on the third floor and record each trip in the table. Each floor is 12 ft high. How far did the elevator travel in all?

3

Video Check: Select all that apply with regards to the video embedded directly above this item.

10

Take Note: Define absolute value.

10

Take Note: Provide an example pair of numbers that have the same absolute value.

10

Take Note: Translate the word phrase into a mathematical expression.

the absolute value of 5x

Hint: See the key above Enter/Return for absolute value bars.

10

Problem 1 Got It? What is the solution of the equation? Graph the solution on the canvas.

|3x + 2| = 4

Include relevant graph detail.

3

Video Check: Select all that apply with regards to the video embedded directly above this item.

10

Problem 2 Got It? What is the solution of the equation? Graph the solution on the canvas.

2|x + 9| + 3 = 7

Include relevant graph detail.

3

Video Check: Select all that apply with regards to the video embedded directly above this item.

10

Take Note: What is an extraneous solution?

10

Take Note: How can you check for extraneous solutions?

10

Problem 3 Got It?

3

Video Check: Select all that apply with regards to the video embedded directly above this item.

10

Take Note: The compound inequality
|x|>5
can be written as two separate inequalities without absolute value symbols. Identify those inequalities below.

10

Problem 4 Got It? What is the solution of the inequality? Graph the solution on the canvas.

|3x - 4| < 8

Include relevant graph detail.

3

Video Check: Select all that apply with regards to the video embedded directly above this item.

10

Problem 5 Got It? What is the solution of the inequality? Graph the solution on the canvas.

|5x + 10| > 15

Include relevant graph detail.

10

Problem 5 Got It? Without solving the inequality below, describe the graph of its solution by dragging the accurate statements from the left column.

|x - 3| > 2

  • The graph has no gap in the middle.
  • The graph has arrows pointing in opposite directions.
  • The graph has no arrows.
  • The graph has a gap in the middle.
  • Accurate statements
10

Take Note: Match the absolute value symbols, definitions, and graphs with their equivalent counterparts below.

Draggable itemCorresponding Item
The distance from x to 0 is a units.
The distance from x to 0 is less than or equal to a units.
The distance from x to 0 is less than a units.
|x|\geq a
|x|\leq a
10

Problem 6 Got It?

10

🧠 Retrieval Practice:
Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?