the coefficient of x is negative
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The graph of a line goes down and to the right when it has a negative slope. This means that as you move to the right along the line, the y-values decrease.
A slanting line down from left to right represents an acceleration on the velocity time graph.
Yes, a steep line typically has a negative slope. The slope of a line represents the rate at which the line is increasing or decreasing. In the case of a steep line that is sloping downwards from left to right, the slope is considered negative.
On a graph of speed versus time, where time is plotted along the horizontal (X) axis and speed along the vertical (Y) axis: -- constant speed (zero acceleration) produces a straight, horizontal line; -- constant acceleration produces a straight, sloped line; the slope of the line is equal to the acceleration; -- if the acceleration is positive, the line slopes up to the right (speed increases as time increases); -- if the acceleration is negative, the line slopes down to the right (speed decreases as time increases).
The line on a globe that goes up and down is called the Prime Meridian. It is the line of longitude that marks 0 degrees and divides the Eastern and Western Hemispheres.
An downward sloping diagonal line on a position vs. time graph indicates constant negative acceleration or deceleration. This means that the object is moving in the negative direction and slowing down over time.