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Do vertical lines always have an slope?
The slope of a vertical line is undefined. It either slants straight up or straight down-- you can not say which. The formula for slope does not work in this case because the denominator is zero.
What is the difference between a line with a slope of zero and no slope?
A line with slope of zero is horizontal. A line with no slope is vertical because slope is undefined on a vertical line.
If the slope of the green line is -3 what is the slope of the red line?
The lines below are perpendicular. If the slope of the green line is -1, what is the slope of the red line?
What is the relationship between slope and a perpendicular line?
If a line has a slope m then a line perpendicular to it has a slope -1/m ( negative inverse). For example if a line has slope positive 2, its perpendicular has slope -1/2
The slope of line a is 3 what is the slope of a line perpendicular to a?
To find the slope of a perpendicular line, take the negative reciprocal of the slope of the given line. (Flip the top and bottom of the fraction and change the sign.) The slope of 3 can be written as 3/1. The slope of a line that is perpendicular is -1/3.
How can you tell from a graph on a line what type of slope it has?
If the line slants up and to the right, it has a positive slope. If it is slanting up and to the left, it has a negative slope.
What happends to the graph of a line when the slope is negative?
A straight line graph with negative slope slants downward from left to right.
What is positive slope?
If the slope (line)is in upward direction, it is called positive slope
How can you tell if a graphed line with no numbers is positive or negative?
if the line slants down (from left to right) then it is negative. if the line slants up (from left to right) then it is positive. horisontal lines have a slope of "0" and and vertical ones are undefined.
What type of slope does a line that slopes upward have?
A line that slopes to the right and up has a positive slope.
Do vertical lines always have an slope?
The slope of a vertical line is undefined. It either slants straight up or straight down-- you can not say which. The formula for slope does not work in this case because the denominator is zero.
How does the numerical value of slope describe the slant and steepness of a line?
The numerical value of the slope indicates how steep a line is and the direction it slants. A positive slope means the line rises as it moves from left to right, while a negative slope indicates it falls. The greater the absolute value of the slope, the steeper the line; for example, a slope of 3 is steeper than a slope of 1. A slope of zero represents a horizontal line, while an undefined slope corresponds to a vertical line.
How do you determine if an equation represents an upward slope?
If you look at the slope intercept formula (y=mx+b), and the m is positive, then the line will have an upward slope (ex. y=8x+2) if the m is negative the line will have a downward slope (ex. y=-9x+6).
Does negative slope go up or down?
A negative slope indicates that as one variable increases, the other decreases. On a graph, this is represented by a line that slants downward from left to right. Therefore, a negative slope goes down.
How would you define positive slope?
a line with a positive slope rises from left to right
A slanted line on a motion graph indicates what?
-- If you only know that the line is slanting rather than horizontal,but you don't know which way it slants, then you can only say thatthe speed (magnitude of velocity) is changing as time goes on.-- If the line slants down as it proceeds from left to right, thenthe speed is decreasing as time goes on.-- If the line slants up as it proceeds from left to right, thenthe speed is increasing as time goes on.
What word describes the steepness of a line?
The word that describes the steepness of a line is "slope." In mathematical terms, slope measures the change in the vertical direction (rise) relative to the change in the horizontal direction (run) between two points on the line. A positive slope indicates an upward trend, while a negative slope indicates a downward trend.
