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it is zero if you are given two points on a line, you can find the slope by subtracting the y values then put that over the difference of the x values but subtract them in the same order like 0-0 divided by 0-3

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Q: What is the slope of a line intersecing y-axis at 00 and x axis at 30?
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What is a vertical line?

=== === A vertical line is a line with an undefined slope. Note that this is different from an infinite slope. The slope of a vertical line is said to be undefined. It may be said to go "straight up and down"A vertical line is drawn on a graph by plotting x = nwhere n equals any real number. The value of n is located on the x axis and then a line is drawn parallel to the yaxis through that x value. Note that the y axis itself is a vertical line. There are an infinite number of possible lines with an undefined slope, of course. Any number on the x axis can have a line drawn through it parallel to the y axis, and any one of those lines is said to be a vertical, and will have a slope that is undefined.A simpler definition say a vertical a line is a line that goes up to down


What is the slope of a line that is parrel to the y- axis?

The slope (or gradient) if the line is parallel to the y-axis, is infinite. If it's parallel to the x-axis the slope is zero.


In a line graph what is the y-axis?

The main vertical line going up the middle is generally refered to as the y axis, while the horizontal line that meets the yaxis in the middle is refered to as the x axis. the line that's going up the line that's going across is the x axis


What is in a line graph the?

The main vertical line going up the middle is generally refered to as the y axis, while the horizontal line that meets the yaxis in the middle is refered to as the x axis. the line that's going up the line that's going across is the x axis


What is the difference between undefined slope and no slope?

Undefined slope is when a line is exactly on the y-axis, for reasons unknown, the slope of a line on the y-axis cannot be determined, so therefore it it "undefined." A line with no slope is a line with a slope of zero. In order for a line to have a slope of zero, it must be directly on the x-axis, meaning it is horizontal. Horizontal lines are straight and have no slope


If a line plotted on a graph is horizontal what's the slope?

It has no slope and is parallel to the x axis


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

The slope is undefined.


What is the slope of all lines parallel to the x-axis?

the x-axis is the horizontal line which means the slope is 0. any line parallel also has a slope of zero


What is the slope of a line on a graph?

The slope of a line is the change of the y(vertical) axis over the x(horizontal) axis. It is the rate. In the formula y=ax+b the a is the slope.


When would a line with undefined slope intersect the y-axis?

Any line intersects the 'Y'-axis, just as long as its slope is not infinite.


What is the slope line that is parallel to the x axis?

The lines have slope = 0.


What is a slope of the line y5?

If y = 5 then there is no slope because the line is parallel to the x axis