Graphing Inequalities and Calculator Use

The video tutorial focuses on solving an algebra problem from a 2013 exam, specifically item 31, which involves finding a coordinate pair in the solution set for the inequality y < 1 - 6x. The instructor demonstrates how to graph the inequality using a calculator, analyze the graph to identify the correct solution, and discusses common mistakes made by students. The tutorial emphasizes the importance of understanding inequalities and graphing techniques to avoid errors.

What is the main focus of the Algebra 1 exam discussed in the video?

• Item 10

• Item 45

• Item 15

• Item 31

Which inequality is being analyzed in the video?

• y > 1 - 6x

• y < 1 - 6x

• y = 1 - 6x

• y ≤ 1 - 6x

What percentage of students answered item 31 correctly?

• 27%

• 45%

• 73%

• 50%

What tool is used to graph the inequality?

• Protractor

• Compass

• Graphing calculator

• Ruler

How do you convert an equation to an inequality on a graphing calculator?

• Use the right arrow

• Press clear

• Use the up arrow

• Press enter three times

What is the first step in finding points on the graph using a calculator?

• Use the zoom function

• Press the reset button

• Press the clear button

• Type the trace button

What type of line is drawn to represent the inequality on paper?

• Solid line

• Dotted line

• Dashed line

• Thick line

Which side of the line is shaded to represent the solution area?

• To the right of the line

• Below the line

• Above the line

• On the line

Which coordinate pair is in the solution set for the inequality?

• (0, 1)

• (1, 0)

• (1, -1)

• (-1, 1)

What common mistake did students make when answering the question?

• Choosing points below the line

• Choosing points to the right of the line

• Choosing points above the line

• Choosing points on the line