Question

a. Plot the points A(-1,-4) and B(-6,2) on the coordinate plane.
b. Find AB using the distance formula. Round to the nearest tenth.
c. Draw a right triangle with the line AB as the hypotenuse. What is another way you can find AB without the distance formula?
d. Will this always work? Why or why not?

I really dont get how to do th distance formula!!! :D

I done step A. but i need help with the rest so could someone help me and guide me through what im supposed to do. THANKS in advance!!!! :D

Answer 1

distance = sqrt [(x2-x1)^2 + (y2-y1)^2]

where A is at (x1,y1) and B is at (x2,y2)

Answer 2

Right triangle always works because the hypotenuse length is the square root of the sum of the squares of the sides' lengths.

Answer 3

wait so how do i plug in the points they have already given me?

Answer 4

(x2-x1)^2 + (y2-y1)^2
(-6+1)^2 + (2+4)^2
(-5)^2 + (6)^2
25 + 36
61



thats how you would use the distance formula with the points they gave you ;D