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Inessa [10]
2 years ago
11

find an equation of the line that satisfies the given condition. write the equation in y=mx+b form. passes through points (1,2)

and (3,-4)
Mathematics
1 answer:
Sindrei [870]2 years ago
3 0

Answer:

find the slope of the points,then simply put the answer as m,then choose any (y) from the points and put it as (c)

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(-1;0)\ \ \ \ (3;0)\ \ \ \ (1;-2)   \ \ \ \  y=ax^2+bx+c\ ?\\\left\{\begin{array}{ccc}a*(-1)^2+b*(-1)+c=0\\a*3^2+b*3+c=0\\a*1^2+b*1+c=-2\end{array}\right \ \ \ \  \ \left\{\begin{array}{ccc}a-b+c=0\ \ (1)\\9a+3b+c=0\ (2)\\a+b+c=-2\ (3)\end{array}\right  \\

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5 0
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