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vocab cards

break even when cost of production equals the income from selling a product
column numbers alligned vertically in matrix
dependent a system that has infinetly many solutions when graphed it is the same line
dimensions of a matrix it is the number of rows by the number of columns of a matrix
element eah of the numbers in a matrix
elimination method or addition method equations are added to eliminate a variable
inconsistent a system that has no solution if graphed the lines are parallel
intersection of graphs method for solving an equation
interval notation solution written in form of 2, infinity symbol )
linear inequality similar to linear equation except the equality symbol is replaced with <> etc
matrix a regular array of numbers
matrix addition when two or more matrices are added by adding the elements in the same position together
row numbers aligned horizontally in a matrix
scalar mutiplication multiplied by every element inside the matrix to get a product with the same dimensions as the original matrix
set notation solution written in the form as an example
solution of a system in two variables it is the form of x,y in three variables may be used to represent the ordered pair or ordered triple when graphed it is the intersection of the lines at one point
solution to a system of inequalities represented by a graph and shading of all points that satisfy all linear inequalities commonly shaded area on a graph
substitution method the process of taking one equation to solve for one variable the expression for that variable
system of equations two or more equations in two or more variables are solved simultaneously
x intercept method for solving an equation write so that one side of the equation equals 0 graph y 1= the nonzero of the graph the x coordinate of the x intercept is the solution
Created by: lyric_monet1