In the adjoining figure, if XY = XZ and YA = AZ, write
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Let x be the salary. If x is more than the average, we want
If x is less than the average, we want
The two conditions can be summarized into
In fact, the absolute value of the difference of two numbers tells you "how far" those two numbers are, without taking into account which of the two is bigger.
<span>if you are writing it in the form y = mx + c
then you know that c it the y-intercept m the gardient
if you know the gradient of the peropendicular line then reciprocate that gradient and multiply it by - 1 to get the gradient.
e.g. gradient of perpen. = 2 and y intercept = 9
then gradient of line = - </span>
Thus equation would be y = - x + 9
then you know that c it the y-intercept m the gardient
if you know the gradient of the peropendicular line then reciprocate that gradient and multiply it by - 1 to get the gradient.
e.g. gradient of perpen. = 2 and y intercept = 9
then gradient of line = - </span>
Thus equation would be y = -