A quantity with a negative rate of change becomes smaller as time goes on.
A quantity with a positive rate of change becomes larger as time goes on.
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Yes, there a relationship between the sign (positive or negative) of the slope of a line and the angle the line makes with the x-axisWhen a line slopes up from left to right, it has a positive slope. This means that a positive change in y is associated with a positive change in x. The steeper the slope the greater the rate of change in y in relation to the change in x.When a line slopes down from left to right, it has a negative slope. This means that a negative change in y is associated with a positive change in x.
That depends on how you change the number of electrons.
Increment
by doing reciprocal
Because a negative negative is the same a a positive, and because of the definition of subtraction and addition.