Finding Slope of a Line
Parallel lines have what kind of slopes?
//m=5
Perpendicular lines have what kind of slopes?
Opposite, reciprocal slopes
What form of equations do we use for lines?
y = mx + b or slope intercept form.
What is the parallel slope to m=5
The same slope.
What is the perpedicular slope to the following equation?
y = 3x + 4
m = -1/3
Write an equation of a line parallel to the given line, with a y-intercept of (0, 3)
y=-9x-2
y=-9x+3
Identify the slope of the following equation
y=-3x+7
m=-3
What is the parallel slope to the following equation?
y = 1/3x + 4
//m=1/3
Rewrite this equation in slope-intercept form.
x + y = -12
y = -x - 12
What is the perpendicular slope of this equation?
y=-2x +5
m=1/2
Write an equation for a line with the following slope and point.
m = 2/3 and (0, -2),
y = 2/3x - 2
Find the slope of the line that includes the following points. (1, 1) (4, 5)
4/3
What is the parallel slope to the following equation?y=-1/4x+6
//m=-1/4
What is the perpedicular slope to the following equation?
y = -2/3x + 1
m=3/2
Write an equation of a line perpendicular to the given line, with a y-intercept of (0, -5)
y=-1/2x+ 6
y = 2x = 5
Find the slope of the line that includes the following points. (-1, -9) (3, 3)
12/4 = 3
What is the parallel slope to the following equation?
y=5
//m=0
Rewrite the following equation in slope-intercept form. 3x +7y = 21
y=3/7x +3
What is the perpendicular slope of this equation?
y = 5
Undefined Slope
Write an equation of a line parallel to the given line, with a y-intercept of (0, -6)
y = -0.75x + 10.
y = -0.75x -6