2y = 4x + 4y = 2x + 2
4x+2y-8=0 2y=8-4x y=4-2x slope= -2
-3x + 2y = 8To get into slope intercept, we must set the equation equal to y2y = 3x + 8y = 3/2x + 8/2y = 3/2x + 4
x - 2y = -4 2x - y = 1 To solve this system of equations, I used matrices, and got x = 2 and y = 3.
2x - 3y = 4This can't be solved, although you can express each variable in terms of the other.x = (4-3y)/2y = (2x-4)/3
parallel
2y = 4x + 4y = 2x + 2
k
(-2, 4)
(4, -1)
If: 12 = 2y+x then y = -1/2x+6 So: y = 2x+4 and y = -1/2x+6 which means that they are perpendicular lines
x = 2y = 4
4x + 2y = -8 → 2y = -4x - 8 → y = -2x - 4
-2X + 2Y = 4 2Y = 2X + 4 Y = X +2 by inspection, 2 but, you could also 0 out X in original equation -2(0) + 2Y = 4 2Y = 4 Y = 2
They are straight lines.
1 solution
2x-y=4