Finding Slope from Two Points

What is the slope of a line?

• The length of the line

• The steepness of the line

• The width of the line

• The color of the line

Which of the following represents the slope formula?

• (x1 - x2) / (y1 - y2)

• (y2 - y1) / (x2 - x1)

• (x2 - x1) / (y2 - y1)

• (y1 - y2) / (x1 - x2)

In the slope formula, what do the subscripts 1 and 2 represent?

• The first and second slopes

• The first and second graphs

• The first and second points

• The first and second lines

Given the points (3, -20) and (5, 8), what is the slope of the line?

• 14

• 12

• 18

• 16

What is the slope of a line if the difference in y-coordinates is 9 and the difference in x-coordinates is -6?

• -3/2

• 3/2

• -2/3

• 2/3

What type of slope does a horizontal line have?

• Positive

• Negative

• Undefined

• Zero

What type of slope does a vertical line have?

• Undefined

• Negative

• Zero

• Positive

What is the result of dividing zero by any non-zero number?

• Zero

• Infinity

• One

• Undefined

What is the result of dividing any non-zero number by zero?

• Zero

• One

• Undefined

• Infinity

If you have a graph, how can you find the slope using the slope formula?

• By finding the midpoint of the line

• By counting the number of points on the line

• By measuring the length of the line

• By identifying any two points on the line