Which of the following statements is correct for vertical lines?
A vertical line's gradient is very large because it is so steep
A vertical line has a gradient that is undefined because, when calculating the gradient using the formula $\frac{\text{rise }}{\text{run }}$rise run , the run is $0$0 and it is not possible to divide a number by $0$0
A vertical line's gradient is equal to $0$0 because when calculating the gradient using the formula $\frac{\text{rise }}{\text{run }}$rise run , the run is $0$0
Which of the following are true if the slope of a line is zero?
What does it mean if the slope of a line is undefined? Select the two correct options.
Find the gradient of the line.