Discover Questions

Find the center and radius of the circle defined by the equation x^2+y^2-6x+2y-6=0.? If A' is the image of A and line k is a perpindicular bisector of AA', sketch the figure and describe the transformation? Hallar la ecuación de la recta que cumple condiciones dadas: pasa por (-3,4) y es perpendicular a la recta y=3x+2? Suppose that A ⊆ B ⊆ V .
(a) Prove that span(A) ⊆ span(B).
(b) Prove that if B is linearly independent then A is linearly independent.? The least common multiple of 2 numbers is 60. One of the numbers is 7 less than the other. What are the numbers?