Distance
The line segment AB has midpoint (0,1). If A is (0,0), then what is B?
(-1.5,2)
If I ask you to find what location is in the middle of two other locations, what formula would you use?
The midpoint formula
A line runs from (0,9) to (4,11). What is the slope?
2/4 (Simplified as 1/2)
What is the midpoint formula?
Midpoint = ( (x1+x2)/2 , (y1+y2)/2 )
What is the length of AB if A is (7,-1) and B is (-4, 18)?
d = 21.9
What is the slope formula?
(y2-y1)/(x2-x1)
How far apart are (23,4) and (-11, 7)?
d = 34.1
If (2,5) is an endpoint and (-1,3) is the midpoint, what is the other endpoint?
(-4,1)
If I ask you how far away point A is from point B, then which formula should you use?
Distance Formula