We restrict quadratic forms to subspaces of finite fields and obtain some interesting results about dual spaces. On this basis, we solve the weight hierarchies of a class of linear codes associated ...

Algebra Ace releases '9th Grade Algebra Made Easy,' an affordable interactive guide using Desmos technology to help visual ...

Eight weeks later, her notebook stays shut. When quadratic equations appear, her pencil hovers, then drops as her eyes drift to the classroom clock. The instructor asks, “What value of x balances the ...