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4 votes
Vertex of (1,5) and passes through (2,1). What is the equation in vertex form

User Houtanb
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1 Answer

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Slope Formula:


a= (\Delta y)/(\Delta x) \\ a= (5-1)/(1-2) \\ a=-4

b-value:


y=ax+b \\ 5=(-4)* 1+b \\ b=9

Function:


\boxed {f(x)=-4x+9}
User Aaditya Singh
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