The vertex of the parabola below is at the point (4, -1). which of the equations below could be the one for this parabola?
a. x = 2(y - 4)^2 - 1
b. x = -2(y + 1)^2 + 4
c. x = 2(y + 1)^2 + 4
d. y = -2(x - 4)^2 - 1

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

Can some one me with these questions

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.