Algebra 1: Semester 1 Vocabulary

An apparent solution that must be rejected because it does not satisfy the original equation

an ordered pair that makes both/all equations true

the point where the line crosses the y-axis

the point where the line crosses the x-axis

A(n) ________ circle is used when a number IS a solution. 

all the x-values or input values in a function

two operations that undo each other

A mathematical sentence that compares expressions. 

A(n) _______ circle is used when a number is NOT a solution

lines that have the same slope

Is no less than

all the y-values or output values in a function

a relation where each input has exactly one output

two or more equations with the same variables

relates two groups of data

The "h" value in vertex form moves the graph how?

Is at most

a function whose graph is a line, has a constant rate of change and can be written in the form y=mx+b

A statment where to expressions are equal

Lines that have negative (opposite) reciprocal slopes