math
posted by :(plz help .
how do i find the slope of line AB if A`s coordinates are(4,3) and B`s coordinates are (2,1)

A(4,3) and B(2,1)
If you have points A(x1,y1) and B(x2,y2)
Slope m = (y2  y1)/(x2  x1) 
so i just have to do (13)/(3(4)

m = (13)/(2(4)
You had 3, should be 2
Respond to this Question
Similar Questions

Graph problems!!!
Ok. so i'm supposed to find the coordinates of a line using the slope intercept method but i don't understand it!!! can some one PLEEAASE help me? 
algebra
Find the slope of the line through the given points. (2,4) (6,3). m=y2y1 over x2x1. (3)(4) over(6)(2) 34 over 62 7 over 4. I plotted the two coordinates (2,4) (6)(3), and the slope is 7 over 4, right? 
Algebra 2
ABCD is a square . if the coordinates of three of its vertices are A(1,2a), B(a,2a), C(a,0), find the coordinates of D. BC is obviously 2a (it's a vertical line) then AB must be 2a (notice AB is horizontal) so BC = AC because it is … 
pre calculus
Question 1: Explain why the equation of the line y=5 has a slope that is undefined. Explain in words or mathematically. Question 2: Given any circle, the coordinates of one endpoint of a diameter is (3,2). If the coordinates of the … 
Math
The coordinates of P are (2,5) the coordinates of Q are (6,1). What is the equation of the perpendicular bisector of PQ? 
slope algebra
given ab and its midpoint m. the coordinates of a are (10,3) and the coordinates of M are (4,1) a. find the coordinates of B. b. find the slope of am. c. find the slope that is perpendicular d. find the slope that is parallel e … 
geometry
Triangle PQR has vertices P(1,2), Q(25,2) and R(10,20). Find the coordinates of the centroid. Find the coordinates of the circumcenter. Find the coordinates of the orthocenter. Find the equation of the line. 
math
In rectangle ABCD, if the coordinates of A are (0, 0) and the coordinates of C are (r, s), find the coordinates of B.With A and D being on the bottom line and B and C on the top with B over A. 
geometry
In rectangle ABCD, if the coordinates of A are (0, 0) and the coordinates of C are (r, s), find the coordinates of B.With A and D being on the bottom line and B and C on the top with B over A. 
Math
The coordinates of the midpoint of the line AB are (1, 2). The length of the line AB is 10 units. (a) If the gradient of AB is 0, find the coordinates of A and B (b) If the gradient of AB is 34 , find the coordinates of A and B.