Monday, August 29, 2011

dependent variable

dependent variable: the "output" variable.

range

range: the set of all outputs of a function.

absolute value

absolute value: a number "a" is the distance between "a" and 0 on a number line.

perpendicular lines

perpendicular lines: when a two lines intersect at a right angle; and their slopes are negative reciprocals.

function notation

function notation: a way to name a function using f(x) instead of using "y".

X-intercept

X-intercept: the x coordinate of a point where a graph crosses the x-axis.

absolute value function


absolute value function : a function that contains an absolute value expression.