neg x-axis is from the origin to the left.
neg y-axis is from the origin down.
There's no such thing as a negative line.
On the common Cartesian (x - y) graph, 'y' decreases and goes negative as you move downward, 'x' decreases and becomes negative as you move to the left,
and a line with negative slope tilts downward as it proceeds from left to right.
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To the right.
No. Parallel lines are lines that extend in the same direction. In a triangle the lines go in different directions.
Yes. A lot of hyperbolic functions have no y- intercept. Also functions of the form Y=1/x^n Will only go to positive infinity as it approaches zero from the positive x direction and go to negative infinity as it approaches zero from the negative x direction. * * * * * While all that is true, the functions mentioned in the above answer are not polynomial functions! All polynomial functions will have a y-intercept provided there is no additional restriction on the domain so as to exclude x = 0.
It would be a undefined slope.There are four types of slope:Postive slope (when lines go uphill from left to right)Negative slope (when lines go downhill from left to right)Zero slope (when lines are horizontal)Undefined slope (when lines are vertical)
It is called a graph cut.Example: increments go from 0 straight to 40