Welcome to The Topline, a weekly roundup of the big numbers driving the Minnesota news cycle, as well as the smaller ones that you might have missed. This week: respiratory viruses skyrocket; algebra ...
Algebra uses letters to represent unknown values. Unknown values are commonly represented by the letters x and y. There are several principles you need to know to be able to use algebraic notation ...
Draw the graph of \(x = 3\). Mark some points on a grid which have an \(x\)-coordinate of 3, such as (3, 0), (3, 1), (3, -2). The points lie on the vertical line \(x = 3\). If you recognise that ...