Understanding Slope and Its Properties

The video tutorial explains how to find the slope from a graph. It begins with an introduction to ordered pairs and graphing points to form a straight line. The concept of slope is explained using the rise over run method, with examples of positive, undefined, and zero slopes. The tutorial emphasizes the importance of understanding changes in y and x coordinates and how they relate to the slope of a line.

What are the coordinates of a point on a graph called?

• Graph pairs

• Graph points

• Ordered pairs

• Coordinate sets

What is the first step in graphing points on a grid?

• Calculating slope

• Identifying ordered pairs

• Finding the y-intercept

• Drawing a line

What does 'rise over run' refer to in graphing?

• The y-intercept

• The slope of a line

• The y-axis

• The x-axis

How do you calculate the slope of a line?

• Sum of x and y

• Difference of x and y

• Change in y over change in x

• Change in x over change in y

What is the slope if the change in y is 4 and the change in x is 1?

• Undefined

• 4

• 0.25

• 1

If y increases by 3 and x increases by 2, what is the slope?

• 1

• 0

• 2/3

• 3/2

What does a positive slope indicate about the line?

• The line is vertical

• The line rises as it moves right

• The line is horizontal

• The line falls as it moves right

What happens to the slope when the change in x is zero?

• It becomes negative

• It becomes zero

• It becomes undefined

• It becomes positive

What type of line is formed when the slope is undefined?

• Curved

• Vertical

• Horizontal

• Diagonal

What is the slope if the change in y is 3 and the change in x is 0?

• 3

• Undefined

• 0

• Zero