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Graphing Systems
Substitution
Elimination
Applying Systems
Review
100
There are this many solutions when the two equation's graphed lines have the same slope but different y-intercepts.
What is zero?
100
The first step in using substitution method.
What is solving for a variable in one of the equations?
100
How the variable terms need to arranged in the two equations before eliminating a variable term.
What is lined up?
100
The first step in solving a word problem before writing the equations.
What is defining the variables?
100
The sum of -4 and 2.
What is -2?
200
The number of solutions when the lines cross once.
What is one.
200
The second step in substitution method which is the one after solving for a variable in one of the equations.
What is substituting the expression into the other equation?
200
How the variable terms values need to be to cancel each other by adding.
What is opposites of each other?
200
The value of x in the system: x + y = 5 x - y = 3
What is 4?
200
y = mx + b form for: 3x + 2y = 6
What is y = (6-3x) / 2 ?
300
The number of solutions the there are when the slope and y-intercepts of the two equations are the same.
What is infinitely many solutions?
300
The third step in substitution method which is the one after substituting in the expression from the other equation.
What is solving the resulting equation for the remaining variable?
300
The step right after eliminating one of the two variables in elimination method.
What is solving for the remaining variable?
300
This is the best method to use when one of the variables is solved for. For example: 3x - 5y = 11 x = 2y - 3
What is substitution?
300
The solution to the proportion: 3/ 7 = 15/ x
What is 35?
400
Slope Intercept Form for the graphing calculator
What is y = mx + b?
400
The result you get when the variables fall out and the result is a contradiction.
What is no solution?
400
3x + 7y = 1; 4x - 5y = -4 The numbers you need to multiply the equations by in order to eliminate the x terms.
What is -4 and 3?
400
The value of y in the system: y = 2x + 1 x + y = 16
What is 5?
400
The order of the numbers from least to greatest of: 0.7, 5/ 7, and 69%
What is 69%, 0.7, 5/ 7 ?
500
How to get the graphing calculator to find the solution of systems of equations
What is press the 2nd button, then trace button, then scroll down to intersect and hit the enter button 4 times?
500
The result you get when the variables fall out and you get an identity statement.
What is infinitely many solutions?
500
-x + 3y = -9; 4x - 6y = 3 The number you need to multiply the first equation by to get the y terms to cancel.
What is 2?
500
The number of bicycles in the problem: A total of 20 bikes and tricycles are in the room right above us. If you count the wheels, there are 45.
What is 15?
500
A linear equation whose slope is -2 and y-intercept is 10.
What is y = -2x + 10 ?