Parallel/Perpendicular Lines
Write the Line Parallel to y=3x+4 passing through (0,9)
y=3x+9
The solution to the system of equations:
y = -3
x = 5
(5,-3)
The solution to the system of equations:
r + s = -6
r - s = -10
What is (-8, 2)?
The solution to the system:
x = 4y
2x + 3y = 22
What is (8, 2)
What is the equations for slope
rise over run; y2 - y1/x2 - x1
Write the Line Perpenicular to y=5/9x+4 passing through (0, -4)
y=-9/5x-4
The solution to the system of equations:
y = 3x - 2
y = -x - 2
What is (0, -2)?
The solution to the system:
8a + 5b = 9
2a - 5b = -4
What is (0.5, 1)?
The solution to the system
y = x - 2
3x - y = 16
What is (7, 5)
Do parallel lines ever touch?
No
Write the Line Parallel to y=2x+20 passing through (-1, 3)
y=2x + 5
Solution to
y = x + 4
y = 2x + 5
(-5,-1)
The solution to the system:
2x + 3y = 6
3x + 5y = 15
What is (-15, 12)?
The solution to the system
y = 3x - 1
7x + 2y = 37
What is (3, 8)
What are the equations for slope intercept form, point slope form and standard form?
y= mx + b and Ax + By = C
Write the Line Perpendicular to y=2x+3 passing through (-3, 4)
y= -1/2x + 5/2
The solution to the system of equations
y = 2x - 3
y = 2x - 8
no solution
The solution to the system
2a - 4b = 12
-8a + 16b = -48
What is infinitely many solutions?
The solution to the system
3s - 2t = 4
t = 2s - 1
What is (-2, -5)
If we have two lines that are perpendicular, what do we know about their slopes?
They are opposite reciprocals of each other
Write the Line Parallel to
y=-1/2x +2/3 passing through (-3,2)
y=-1/2x+1/2
The solution to the system of equations:
y - 3x = 3
y = 3x - 2
What is no solution?
The solution to the system:
(1/3)x + (1/4)y = 10
(1/3)x - (1/2)y = 4
What is (24, 8)
The solution to the system
t + u = 12
t = (1/3)u
What is (3, 9)?
Write any two equations.
What is the slope of a line perpendicular to y = 2/3x + 1
-3/2