SOLUTION: I need help finding the distance between the points (3, 8) and (-1, 9)please and a set of easy steps to follow if so I can do more questions like it Thank you!

Question 211521: I need help finding the distance between the points (3, 8) and (-1, 9)please and a set of easy steps to follow if so I can do more questions like it Thank you!
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Note:

is the first point

. So this means that and .
Also,

is the second point

. So this means that and .

Start with the distance formula.

Plug in , , , and .

Subtract from to get .

Subtract from to get .

Square to get .

Square to get .

Add to to get .

So our answer is

Which approximates to

So the distance between the two points is approximately 4.123 units.

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