Find the gradient of the line segment between the points (0,6) and (2,16)

The axis of symmetry for the graph of the function f(x)=1/4^2+bx +10 is x=6. what is the value of b?

Statement: if two points are given, then exactly one line can be drawn through those two points. which geometry term does the statement represent? defined term postulate theorem undefined term

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled