what is the distance between (7,1) and (-4,-5)?
A. 3 square root of 3
B. square root of 137
C. square root of 157
D. 5

Question

what is the distance between (7,1) and (-4,-5)? 
A. 3 square root of 3 
B. square root of 137
C. square root of 157
D. 5

nnesha · Answer

$$\huge\rm \sqrt{(x_2 -x_1)^2+(y_2 -y_1)^2}$$
formula to find distance 
x and y values are $$\huge\rm (x_1 ,y_1)(x_2 ,y_2)$$
substitute x and y values :-)

anonymous · Answer

i got 5 is that wrong?

nnesha · Answer

yes that's wrong how did you get 5 ?

anonymous · Answer

idk lol

nnesha · Answer

just substitute numbers 
instead guessing  :(

anonymous · Answer

i did. im honestly not sure how to do it. didnt really understand this lesson in class.

nnesha · Answer

alright list x and y values 
x_1 = ?
x_2 = ?
y_1 =?
y_2 = ?

anonymous · Answer

oh i got square root of 157 now. but what about the secound part how do i do that?

nnesha · Answer

2nd part ?

anonymous · Answer

yea like how you had (x1,y1) and (x2,y2)

anonymous · Answer

or is that supposed to be the final answer?

nnesha · Answer

x and y values are in order pair 
x_1 meaning first x
X_2 2nd x

nnesha · Answer

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