the measure of how steep a line is, calculated as a ratio
What is SLOPE?
the relationship between 2 variables that have a straight line graph. Change in 1 variable causes change in the other variable
Linear Relationship
vertical change in two points/variables
What is RISE?
a way of writing a nonproportional linear equation y=mx+b
What is SLOPE-INTERCEPT FORM?
horizontal change in two points/variables
What is RUN?
a way of writing an equation with variables and constant, Ax + By = C
What is STANDARD FORM?
y-coordinate of the point where the line crosses the y-axis
What is Y-COORDINATE?
Two or more equations with the same set of variables
What is SYSTEMS OF EQUATIONS?
the x-coordinate of the point where the graph crosses the x-axis
What is X-INTERCEPT?
an algebraic model that can be used to find the exact solution of a system of equations
What is SUBSTITUTION?