15 terms

tballardTEACHER

Standard Form

An equation in the form Ax + By = C

increasing

a relationship in which y-values increase as x-values increase (the line tilts upwards from left to right)

linear

a relationship with a constant rate of change (a straight line)

y-intercept

the point at which a line crosses the y-axis

coordinate plane

a graph with two perpendicular axes

qualitative

a verbal description of a variable relationship

slope

rate of change in a function "rise over run" the variable "m"

nonlinear

a relationship with a varying rate of change

Slope-Intercept Form

y = mx + b

input

the values (usually x) plugged into a function

decreasing

a relationship in which y-values decrease as x-values increase (the line tilts downwards from left to right)

quantitative

a numerical description of a variable relationship

table

x-values and y-values arranged in rows and columns

output

the answers (usually y) resulting from different inputs

function

a rule that assigns each input with exactly one output