Question

Which equation would you use to find the distance between point A and point H?

A. |4 + 1|
B. |-4 - 1|
C. |4 - 1|
D. |4 - (-1)|

Answer 1

B -4-1 because the one is positive and the 4 is negative

Answer 2

The equation [ 4 - 1 ] should be used for calculating distance between A and H.

What is distance in coordinate geometry?

'The distance between two points is the length of the line segment, joining the given two points. The distance of a point from a line will be the shortest line segment's length from the point to the line.'

According to the given problem,

The point A is at (-4 , 4) and the point H is at (-4 , 1).

Now both the points lie in the second quadrant where Y is positive and X is negative.

Let (-4 , 1) be $(x_{1}, y_{1} )$

     (-4 , 4) be $(x_{2},y_{2} )$

Since, $x_{1} , x_{2}$ are the same, the difference between them would be 0.

⇒ $y_{2} - y_{1}$ = [4 - 1]

Hence, we can conclude that equation [ 4 - 1 ] should be used to calculate the distance between point A and point H.

Learn more about distance in coordinate geometry here:

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