Slope Calculation and Desmos Usage

The video tutorial explains how to determine the rate of change or slope in linear relationships using the Desmos calculator. It covers solving problems from a 2021 exam, including graph analysis and interpreting tables of values. The tutorial provides step-by-step instructions on using Desmos to find slopes and Y-intercepts, emphasizing the importance of these skills in exams. It concludes with tips on using Desmos effectively and locating the TIY function on calculators.

What is the term used to describe the rate of change in a linear relationship?

• Slope

• Intercept

• Vertex

• Axis

Which tool is recommended for calculating the slope in the exam?

• Graph Paper

• Desmos Calculator

• Ruler

• Protractor

What is the first step in using the Desmos calculator to find the slope?

• Calculate manually

• Type the equation

• Enter the data into a table

• Draw a graph

What is the slope value obtained from the first example problem?

• 20

• 15

• 10

• 5

In the graph problem, what are the coordinates of the points given?

• (0, 0) and (1, 1)

• (5, 5) and (10, 10)

• (-7, 4) and (7, 6)

• (2, 3) and (4, 5)

What is the y-intercept of the graph problem?

• 2

• 0

• 3

• 1

What is the slope of the graph problem?

• 2/1

• 5/7

• 7/5

• 1/2

Approximately what percentage of the exam questions could the Desmos calculator help with?

• 11%

• 5%

• 20%

• 25%

What is the main focus of the third problem introduced?

• Solving an equation

• Drawing a graph

• Finding the y-intercept

• Finding the slope

What is the slope value obtained from the table problem?

• -1.6

• 2.0

• 1.6

• 0.8