|Graph||A diagram of values, usually shown as lines or bars. |
|Linear||An equation that makes a straight line when it is graphed. |
|Equation||An equation says that two things are equal.
It will have an equals sign "=" like this:
|Gradient||How steep a straight line is.
Also called "slope". |
|Quadratic||An equation where the highest exponent of the variable (usually "x") is a square (2).
So it will have something like x2, but not x3 etc.
A Quadratic Equation is usually written ax2 + bx + c = 0 |
The power of a number says how many times to use the number in a multiplication.
It is written as a small number to the right and above the base number. |
|Significant Figure||each of the digits of a number that are used to express it to the required degree of accuracy, starting from the first non-zero digit. |
|Standard Form||Another name for "Scientific Notation", where a number is written in two parts:
• First: just the digits (with the decimal point placed after the first digit),
• Followed by: ×10 to a power that will the decimal point back where it should be. |
|Diagram||A drawing used to describe something. |
|Scatter Graph||A graph of plotted points that show the relationship between two sets of data. |