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Level 6

Unit 6


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Slope = rise/run
A measure of how one quantity changes with repsect to the other
General Form
Ax+By+C=0
Slope Point Form
The equation of a line in the form y-y1=m(x-x1), where m is the slope of the line and the line passes through point P (x1,y1)
Slope Intercept Form
The equation of a line in the form y=mx+b, where m is the slope of the line, and b is its y-intercept
Positive Slope
When Rise/Run is positive
Negative Slope
When Rise/Run is negative
Zero Slope
When Rise/Run, Rise = 0
Undefined Slope
When Rise/Run, Run = 0
Parallel
When lines are always the same distance apart and will never meet. (They also have the same slope)
Perpendicular
When a line meets another line and creates a 90 degree angle.
Negative Reciprocal
The Y in X * Y = -1. For example, 4 * -1/4 = -1
Quadrilateral
A four sided shape
Parallelogram
A qudrilateral with 2 sets of parallel sides
Desmos.com
A website you can use on your phone, or your computer, that will help you graph