Help please. Find b and c so that y=13(x^2)+bx+c has a vertex (3,-2). so b=______ and c=_____
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Hello, lsnyder! Find and so that has a vertex (3,-2). We're expected to know that the vertex is at: . So we have: . . . and the equation is: . Since (3,-2) is on the graph: . Therefore: .