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Identify the equation of the graph

Identify the equation of the graph-example-1
User Max Go
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This has a vertex at (1,-5) and otherwise looks like y=x^2; the two points one x unit away from the vertex are also 1 y unit away, the two points two away are 4 units higher, etc.


y = (x- 1)^2 - 5

That's in vertex form. We're not shown any choices; let's multiply this out.


y = x^2 - 2x - 4

Either one of those.

User ADTC
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