SOLUTION: Line L passes through the points (-2,0) and (0,a). Line LL passes through the points (4,0) and (6,2). What value of a makes the two lines parallel? A) 1/2 B) -2 C) 2 D) -1/2

Question 364451: Line L passes through the points (-2,0) and (0,a). Line LL passes through the points (4,0) and (6,2). What value of a makes the two lines parallel?
A) 1/2
B) -2
C) 2
D) -1/2
E) 0
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
(-2,0) and (0,a). Line LL passes through the points (4,0) and (6,2).

(-2,0) and (0,a).
slope m = a-0 / 0-(-2)
m=a/2
Line LL passes through the points (4,0) and (6,2).
slope m = 2-0 / 6-4
m=2/2
m= 1
..
for lines to be parallel the slope have to be equal.
a/2 = 1
a= 2
...
m.ananth@hotmail.ca

RELATED QUESTIONS
What�s the equation of a line that passes through points (0, -1) and (2,... (answered by Alan3354)

What�s the equation of a line that passes through points (0, -1) and (2, 3)? (answered by AAfter Search)

What�s the equation of a line that passes through points (0, -1) and (2, 3)? (answered by mananth)

the slope of a line is 1/2. If the line passes through the points (0, k) and (5, 4), what (answered by stanbon)

What is the slope of the line that passes through points (0, -2) and (3, 0)? (answered by josgarithmetic,ikleyn)

The graph of a line passes through the points (0,-2) and (6,0). what ism the equation of... (answered by josgarithmetic)

the equation of a line that passes through the point (-2,6) and is parallel to the line... (answered by Alan3354)

What's the equation of a line that passes through points (0,-1) and (2, 3... (answered by Alan3354)

The graph of a line passes through the points (0, -2) and (6, 0). What is the equation of (answered by mananth)