Does the line of best fit on the graph have to connect to the y axis?
Does the line of best fit on the graph have to connect to the y axis?
It depends on what the graph is showing. If the domain doesn't include 0, then no.
Original post by hastudent
Does the line of best fit on the graph have to connect to the y axis?
That depends what you're plotting. Assuming the x-axis can equal zero, then yes, it should touch the y-axis.
Original post by hastudent
its time(y) vs intensity of exercise (x)
but i didn't do the result for the 0 intensity of exercise...
but i didn't do the result for the 0 intensity of exercise...
If this is GCSE Level, I don't think there's any problem connecting it with the Y axis (but obviously don't cross the y axis since there's no such thing as negative time) since you will be doing some level of exercise when t = 0. Don't make it start at the origin for the sake of making it start at the origin though.
thank youQuick Reply
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