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10 questions from this quiz
Two-point form
y−y1x−x1=y2−y1x2−x1\frac{y - y_1}{x - x_1} = \frac{y_2 - y_1}{x_2 - x_1}x−x1y−y1=x2−x1y2−y1
Gradient-point form
y−y1=m(x−x1)y - y_1 = m(x - x_1)y−y1=m(x−x1)
The y-intercept
Rise over run
Standard form
Line decreases as xxx increases
y=cy = cy=c
They all represent the same line
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