Unit 2 Lessons 12-17 Vocab Test

graph falls from left to right

• positive slope

• negative slope

• zero slope

• undefined slope

systems that have the same solutions

• congruent

• system of equations

• equivalent systems

• systems of inequalities

a set of two or more equations containing the same variables

• system of equations

• expression

• equation

• equivalent systems

Rise over run

• point-slope form

• slope-intercept form

• standard form

• slope

the starting amount or y-intercept of the graph

• evaluate

• initial value

• solution

• substitution

to replace the variable with the number it represents

• evaluate

• initial value

• solution

• substitution

the y-coordinate of the point where the line crosses the y-axis

• x-intercept

• slope

• y-intercept

• solution

a set of values that make all equations in a system true

• evaluate a system of equations

• initial value of a system of equations

• solution to a system of equations

• substitution of a system of equations

when the system of equations have the same slope but different y-intercepts

• infinitely many solutions

• one solution

• y-intercept

• no solution

The x-coordinate of the point where the line crosses the x-axis

• y-intercept

• solution

• slope

• x-intercept