The gradient tells us how steep a line is, therefore the bigger the gradient the steeper the line is. A positive gradient is a straight line which slopes up to the right. A negative gradient is a ...

The gradient of a line is calculated by dividing the difference in the \(y\)-coordinates by the difference in the \(x\)-coordinates. This may be referred to as the change in \(y\) divided by the ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...