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10 cards from this deck
y=mx+cy = mx + cy=mx+c
Slope of the line
yyy-intercept
m=y2−y1x2−x1m = \frac{y_2 - y_1}{x_2 - x_1}m=x2−x1y2−y1
y−y1=m(x−x1)y - y_1 = m(x - x_1)y−y1=m(x−x1)
Ax+By+C=0Ax + By + C = 0Ax+By+C=0
y−y1=y2−y1x2−x1(x−x1)y - y_1 = \frac{y_2 - y_1}{x_2 - x_1}(x - x_1)y−y1=x2−x1y2−y1(x−x1)
Point where line crosses yyy-axis (when x=0x = 0x=0)
When you know slope mmm and one point (x1,y1)(x_1, y_1)(x1,y1)
Steepness of the line
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