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Linear Unit
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Gravity
Terms in this set (12)
y-intercept
Where the graph intersects the y-axis. Where x=0
x-intercept
Where the graph intersects the x-axis. Where y=0
Slope-Intercept Form
y=mx+b
Standard Form
Ax+By=C
Point-Slope Form
y-y1=m(x-x1)
Slope
Constant rate of change in linear equations. (Change in y coordinates over change in x coordinates) Rise over Run. (y2-y1)/(x2-x1). Stack & Slide. How the graph moves
Parallel Lines
Lines with the same slope. Lines that will NEVER intersect
Perpendicular Lines
Lines with opposite reciprocal slopes. Lines that intersect at a 90 degree angle.
Function Notation
The expression "f(x)" means "plug a value for x into a formula f "; the expression does not mean "multiply f and x"!
Ordered Pair
(x,y). A location on a graph
Horizontal Line
Slope of 0. y=b
Vertical Line
Undefined Slope. x=a
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