SOLUTION: 2. Find the equation, in slope-intercept form, of the line that passes through the points (-5, 2) and (-4, 1).

Algebra ->  Linear-equations -> SOLUTION: 2. Find the equation, in slope-intercept form, of the line that passes through the points (-5, 2) and (-4, 1).       Log On


   

Question 129731This question is from textbook intermediate algebra
:
2. Find the equation, in slope-intercept form, of the line that passes through the points
(-5, 2) and (-4, 1).
 This question is from textbook intermediate algebra

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
FIRST YOU NEED TO FIND THE SLOPE.
(Y2-Y1)/(X2-X1)
(1-2)/(-4+5)=-1/1=-1 FOR THE SLOPE.
NOW REPLACE THE X & Y TERMS BY ONE SET OF (X,Y) COORDINATES & SOLVE FOR THE Y INTERCEPT (b) IN THE LINE EQUATION [Y=mX+b]
-2=-1*1+b
b=-2+1
b=-1 Y INTERCEPT.
THUS THE LINE EQUATION IS;
Y=-X-1