Understanding Absolute Value Inequalities

The video tutorial explains how to solve absolute value inequalities, focusing on those with a less than symbol. It covers the process of taking two cases, removing the absolute value bars, and solving each case separately. The tutorial also demonstrates how to shade the solution region on a number line, emphasizing the importance of open circles for inequalities without an equal sign. The video concludes with a practical example, showing how to find the solution area for values of x that satisfy both conditions.

What does the 'less than' symbol in an absolute value inequality indicate?

• The solution is an unbounded region.

• The solution is a bounded region.

• The solution is a single point.

• The solution is a negative region.

When solving absolute value inequalities, why do we consider two cases?

• To simplify the inequality.

• To account for both positive and negative solutions.

• To find the maximum value of x.

• To eliminate the absolute value.

What is the first step in solving an absolute value inequality?

• Add a constant to both sides.

• Multiply both sides by a negative number.

• Remove the absolute value bars and write two inequalities.

• Square both sides of the inequality.

Tags

CCSS.7.EE.B.4B

In the inequality 8x - 15 < 9, what is the solution for x after solving the first case?

• x < 3

• x > 3

• x > 4

• x < 4

Tags

CCSS.7.EE.B.4B

What is the solution for x in the second case of the inequality 8x - 15 < 9?

• x > 1/2

• x < 3/4

• x > 3/4

• x < 1/2

Tags

CCSS.6.EE.B.8

Why are open circles used when shading the solution region on a number line?

• Because the solution is negative.

• Because the inequality does not include equal to.

• Because the inequality includes equal to.

• Because the solution is positive.

Tags

CCSS.7.EE.B.4B

What values of x satisfy the inequality 8x - 15 < 9?

• x is less than 3/4

• x is between 0 and 1

• x is between 3/4 and 3

• x is greater than 3

Tags

CCSS.6.EE.B.8

What does the shaded region on the number line represent?

• The midpoint of the inequality.

• The values of x that satisfy the inequality.

• The maximum value of x.

• The values of x that do not satisfy the inequality.

What is the final step in solving an absolute value inequality?

• Graphing the solution on a coordinate plane.

• Checking the solution with a test point.

• Shading the solution region on a number line.

• Rewriting the inequality in standard form.

What is the main takeaway from solving absolute value inequalities?

• They are always unbounded.

• They do not require graphing.

• They can be solved using a two-case approach.

• They always have a single solution.