Solve the equation by completing the square
z^2+18z+63=0
a-{9+3√7, 9-3√7}
b-{-18+3√7}
c-{9+3√2, 9-3√2}
d-{9+3√2}

One vertex of a polygon is located at (3,-2). after a rotation, the vertex is located at (2, 3). which transformations could have taken place? check all that apply. - ro, 90" ro, 180" ra, 220v ro, -80" | ro, -27ợ"

Suppose the equation of a line is 2x − 4y = − 8. which coordinate pair represents the y-intercept?

Factor these polynomials and explain how 1. 12x - 3x^2 2. 20 - 240x^2