Slope-Intercept Vocabulary
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Rise
Ascend or Descend; up or down (y₂-y₁)
Run
Shift to the right or left (x₂-x₁)
Slope
tells the steepness of a line; rise over run = m; the vertical distance divided by the horizontal distance, (y₂-y₁)/(x₂-x₁) = m
y-intercept
the y-coordinate of a point where a graph crosses the y-axis; it's the b in y = mx + b
Slope-Intercept Form
y = mx + b m is the slope and b is the y-intercept