Posted by Emma on Tuesday, October 16, 2012 at 11:36pm.
Can you please help me understand this? Thanks
Find the value of y so that the passing line through the two points has the given slope.
1. (2,y) (3,3) ;m=2

Algebra  Anonymous, Wednesday, October 17, 2012 at 2:35am
Twopoint form of linear equation :
y  y1 = ( y2  y1 ) * ( x  x1 ) / ( x2  x1 )
Add y1 to both sides
y  y1 + y1 = ( y2  y1 ) * ( x  x1 ) / ( x2  x1 ) + y1
y = ( y2  y1 ) * ( x  x1 ) / ( x2  x1 ) + y1
Alopeintercept form of linear equation :
y = m x + b
In this case :
x1 = 2
y1 = y
x2 = 3
y2 = 3
m = ( y2  y1 ) / ( x2  x1 ) = 2
( 3  y ) / ( 3  2 ) = 2
( 3  y ) / 1 = 2
3  y = 2 Subtract 2 to both sides
3  y  2 = 2  2
1  y = 0 Add y to both sides
1  y + y = 0 + y
1 = y
y = 1

Algebra  Reiny, Wednesday, October 17, 2012 at 8:45am
just find the slope for the two points, set it equal to 2
(y3)/(23) = 2  (y3)/1 = 2
y3 = 2
y = 1
Answer This Question
Related Questions
 algebra (slope)  find the value of y so that the line passing through the two ...
 math  i have more than one question so if u no any of the answers please tell ...
 algebra  find the value of y so that the line passing through the two points ...
 algebra  find the value of y so that the line passing through the two points ...
 maths  find the value of y so that the line passing through the two points has ...
 algebra  Find the value of y so that the line passing through the two points ...
 algebra  Find the value of x so that the line passing through the points will ...
 Algebra  Can someone check my answers? 1. Write the equation of the line that ...
 Math  Find the value of x or y so that the line passing through the two points ...
 Algebra  Find the value of y so that the line passing through the two point ...
More Related Questions