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Where is the vertical line in a graph?
Any line that goes straight up and down and doesn't lean either way is a vertical line.
What is a slope when dealing with graph?
The slope for a straight line graph is the ratio of the amount by which the graph goes up (the rise) for every unit that it goes to the right (the run). If the graph goes down, the slope is negative. For a curved graph, the gradient at any point is the slope of the tangent to the graph at that point.
What are not horizontal and vertical lines?
Any line that is not running exactly straight up and down is not vertical. Any line that is not running exactly flat, left to right is not horizontal. Vertical and horizontal lines are always at 90 degrees to each other.
What is a horizontal line?
A horizontal line is a line that has a slope of zero. It is drawn on a graph by plotting y = n where n equals any real number. The value of n is located on the y axis and then a line is drawn parallel to the x axis through that y value. There are an infinite number of possible lines with the slope zero, of course. Any number on the y axis can have a line drawn through it parallel to the x axis, and any one of those lines is said to be a horizontal, and will have a slope equal to zero.a line that goes left to right or right to left
What does a straight horizontal line mean?
A straight horizontal line is a line that goes sideways, often represented by the equation y=a where a is any real number.
