A real number that cannot be written as a simple fraction.

A linear equation is special because: ... When you find pairs of values that make the linear equation true and plot those pairs on a coordinate grid, all of the points for any one equation lie on the same line.

6 x 10²

A symbol for a number we don't know yet. It is usually a letter like x or y.

Linear equations are an important tool in science and many everyday applications.

A way of expressing numbers that are too big or too small to be conveniently written in decimal form.

What you add to a number to get zero.
The negative of a number.

Linear equations can be a useful tool for comparing rates of pay.

You need to understand it to easily represent numbers that are either very large or very small.

A number says how many times to use the number in a multiplication.

To make calculations with unusually large or small numbers less unmanageable.

An equation says that two things are equal.