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12 questions from this quiz
They have the same slope
90°
m1=m2m_1 = m_2m1=m2
-1
−ab-\frac{a}{b}−ba
−43-\frac{4}{3}−34
2 and −12-\frac{1}{2}−21
First and second
y−y1=m(x−x1)y - y_1 = m(x - x_1)y−y1=m(x−x1)
5
Yes, product is -1
−12-\frac{1}{2}−21
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