Slopes of Parallel and Perpendicular Lines and Writing Equations Live
y=(-1/2)x-1
Write the equation of the line that passes through the point (-4,1) and is PERPENDICULAR to -2x+y=-5
y=(-1/2)x
Write the equation of the line that passes through the point (0,0) and is PERPENDICULAR to -6x+3y=-24
y=2x-5
Write the equation of the line that passes through the point (2,-1) and is PARALLEL to y=2x+2
y=2x-8
Write the equation of the line that passes through the point (4,0) and is PARALLEL to -4x+2y=6
negative reciprocals
What type of slopes do PERPENDICULAR lines have?
-4
What's the slope of a line PARALLEL to y=-4x+3?
3/5
What's the slope of a line PARALLEL to the line 3x-5y=7?
2
What's the slope of a line PARALLEL to the line 5y+20=10x
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What's the slope of a line PARALLEL to the line x-4=-6?
1/4
What's the slope of a line PERPENDICULAR to y=-4x+3?
y-y1=m(x-x1)
What is point slope form?
y=mx+b
What is slope intercept form?
Ax+By=C
What is standard form?
0
What is the slope of a line PARALLEL to the line y=10
4/3
What is the slope of a line PERPENDICULAR to the line 3x+4y=12
10
What is the slope of a line PERPENDICULAR to the line 5y-50x=8
1/2
What is the slope of a line PERPENDICULAR to the line 14x+7y=6?
3/8
What is the slope of a line that is PARALLEL to 3x-4=8y+1?
-1/2
What is the slope of a line that is PERPENDICULAR to 6x=3y-9?
same slopes
What type of slopes do PARALLEL lines have?