quickmathes

what is slope?

• y over the x axis

• (y2-y1) (x2-x1)

How do you calculate the slope of a line between two points?

• Divide the change in x by the change in y

• Divide the change in y by the change in x

What does a slope of zero indicate about a line?

• The line is vertical

• The line is horizontal

Which formula represents the slope of a line?

• m = (x2 - x1) / (y2 - y1)

• m = (y2 - y1) / (x2 - x1)

What is the slope of a line parallel to the x-axis?

• Undefined

• Zero

What is the slope of a line that is perpendicular to a line with slope 5?

• -1/5

• 5

If a line passes through points (1,2) and (3,8), what is its slope?

• 3

• 2

What is the slope of a line perpendicular to a line with slope -3?

• 1/3

• -1/3

If a line passes through points (4,5) and (7,11), what is its slope?

• 2

• 3

Which statement is true for the slope of a vertical line?

• It is zero

• It is undefined