Write a recursive formula for the explicit formula.
an=5•(1/2)^n-1

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12