Example: 63 = 6 × 6 × 6
EXPONENTIAL GROWTH The increase in one variable occurs at a rate that is exponentially
proportionate to another variable, as shown in the graph below.
EXPRESSION a mathematical statement that does not contain an equals sign, which makes it
different from an equation Example: x + 3y
EXTERIOR ANGLE an angle outside of a figure that is supplementary (allows two angles to
equal 180 degrees)