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10 questions from this quiz
d=(x2−x1)2+(y2−y1)2d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}d=(x2−x1)2+(y2−y1)2
Rise over run
Zero gradient
(1,2)(1, 2)(1,2)
m1=m2m_1 = m_2m1=m2
m1×m2=−1m_1 \times m_2 = -1m1×m2=−1
−32-\frac{3}{2}−23
The y-intercept
m=tanθm = \tan \thetam=tanθ
Gradient-point form
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