Friday, February 20, 2009

Rate of change

What is meant by change in x-axis

What is meant by change in y-axis

What is meant by change in y-axis to change in x-axis?

What does the change in distance w.r.t. time signify?

How is this depicted or represented on a graph paper?

What is the gradient?
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19 comments:

  1. renjisanFebruary 26, 2009 at 12:51 AM

    all of these things has to do with change. ths change in X & Y just means that its the differnce between two values. change in the x and y axis means gradient which is the same as rate of change

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  2. mysticwings*February 27, 2009 at 3:22 PM

    i agree that rate of change is gradient and i also agree that a change in Y over the change in X is according to miss a "gradient machine" but when they say a change in X and in Y, what exactly does this portray on a graph?

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  3. crazykidFebruary 27, 2009 at 5:38 PM

    change in distance wit respect to time signifies SPEED.

    speed= distance / time

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  4. crazykidFebruary 27, 2009 at 5:55 PM

    the gradient will be the change in velocity.

    the representation in d graph paper will show how the speed changes when traveling a distance an d time taken. from d graph u wil b able to recognize where there was accerleration and deceleration therefore finding d gradient.

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  5. mysticwings*March 2, 2009 at 3:14 PM

    well said crazykid! i know that change in y over change in x is gradient but what does it mean separately, e.g change in y-axis alone or change in x alone

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  6. computationMarch 2, 2009 at 4:11 PM

    gradient is the degree to which something inclines; a slope.And also the rate at which a physical quantity, such as temperature or pressure changes over a distance.

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  7. d chosen 1March 3, 2009 at 12:14 PM

    change in x-axis to me means a shift in the x-axis horizontally

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  8. d chosen 1March 3, 2009 at 12:14 PM

    therefore the change in y-axis will be the change in the y-axis vertically

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  9. d chosen 1March 3, 2009 at 12:15 PM

    change in y-axis to change in x-axis means gradient

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  10. d chosen 1March 3, 2009 at 12:24 PM

    change in distance w.r.t. time signifies that there is a change in the distance on the y-axis over the change in time on the x-axis

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  11. d chosen 1March 3, 2009 at 12:25 PM

    gradient is rate of change of Y over rate of change of X

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  12. crazykidMarch 3, 2009 at 5:58 PM

    i think we find the change in y and change in x so we can relate specifically to the quantities we're dealing wit.

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  13. crazykidMarch 3, 2009 at 6:09 PM

    ok lets take velocity as an example.

    we wil calculate the change in time to find the overall time taken.

    we will calculate the change in distance to find the total distance travelled.

    then we would calculate
    the change in distance / change in time
    to find the rate the vehicle is travelling

    so as i said b4, i think we find d change in x and y so we'll know what quantity we're dealing wit

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  14. SexyloveMarch 5, 2009 at 5:19 PM

    Change in the y-axis to the change in the x-axis is finding the gradient...and gradient is basically the rate of change of something wid respect to another..

    Change in distance w.r.t time signifies rate.

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  15. angelMarch 6, 2009 at 1:30 PM

    well rate of change as everyone knows is the gradient, which is understood as Y2-Y1/X2-X1. and that means the change of the Y values over the change in the X values. this can simply mean the change of Y with respect to X or the rate of change of Y with respect to X. This is known as differentiation and is denoted by dY/dX. as crazy kid said velocity s the change of distance with respect to change of time, and is the same concept with acceleration which is the change of velocity with respect to change of time. in real life these are two popular base question and all you have to know is how to find velocity and acceleration.

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  16. Swanky ThingMarch 9, 2009 at 11:41 AM

    Gradient is the change in y over the change in X. once there is a starting and an end point on a graph a gradient can be calculated from 2 values on the graph

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  17. Swanky ThingMarch 9, 2009 at 11:44 AM

    Change in distance w.r.t time is known as speed. this type of information can be respresented as as straight line graph once the distance moved is directly proportional to time and as a curve if they are not in proportionality.

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  18. Swanky ThingApril 8, 2009 at 10:25 AM

    Change in x-axis means a shift in the x-axis horizontally from one point to another


    Whereas the change in y-axis means a shift in the y-axis vertically from one point to another

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  19. computationApril 25, 2009 at 12:43 PM

    X axis The axis of the graph that is horizontal, side to side.

    Y axis The axis of the graph that is vertical, up and down.

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