Question

Tools - Question 4 The coordinate planle below shows the location of segment QR. 109Y 5 Q1-4,3) 70-9-8-7-6-5-4-3-3 2 3 4 5 6 7 8 9 TU R(8,-6) What is the unit distance between the two endpoints of the segment? Illuminate Education TM, Inc.

Answer 1

Apply the distance between 2 points formula:

$D=\sqrt[]{(x2-x1)^2+(y2-y1)^2}$

We have the points:

(x1,y1) = (-4,3)

(x2,y2) = (8,-6)

$D=\sqrt[]{(8-(-4))^2+(-6-3)^2}=\sqrt[]{(8+4)^2+(-9)^2}=\sqrt[]{144+81}=\sqrt[]{225}=15$

Distance = 15