All about Systems of Equations
Solving Systems of Linear Equations: Graphing
Solving Systems of Linear Equations: Substitution
Solving Systems of Linear Equations: Elimination
Random
100
What is a LINEAR equation?
An equation that when graphed, creates a line.
100
How many solutions can a system of linear equations have?
one, none, or infinitely many solutions
100
What does the word "substitute" mean?
To exchange/trade/etc.
100
True or False: The following system has matching coefficients?
-2x-4y=19
-3x+6y=21
False
100
Name the following social media brands...
Facebook, Snapchat, Twitter, Instagram
200
True or False:
It does not matter which method you use when solving systems of linear equations because they will all give you the same answer.
True
200
How many solutions will a set of parallel lines have?
Zero
200
What is the first step when solving a system of linear equations using the SUBSTITUTION method?
Isolate the variable
200
What are the matching coefficients in the following system:
-4x+2y=9
4x+3y=12
-4x,4x
200
What holiday is Monday??
Martin Luther King Day
300
What does it mean to "find the solution" to a system of linear equations?
It means to find the point (x and y value of) where the 2 lines intersect.
300
How many solutions are represented in the graph?
1 solution
300
18) What is the result of using the first equation to substitute for y in the second equation?
y=2x
3x+y=20
5x=20
300
What are the matching coefficients in the following system:
3x+10y=18
2x-10y=25
10y, -10y
300
Name this singer....
Ciara
400
At least how many linear equations will be in a system of linear equations?
At least 2 linear equations
400
What is the solution to the system of linear equations?
(-1, -2)
400
How would you isolate x in this equation?
5x=20
Divide both sides by 5
400
Use the Elimination method to solve for x:
5x - y = 0
3x + y = 24
y=3
400
What is the name of the largest lake in Florida?
Lake Okeechobee
500
What are the 3 methods for solving systems of linear equations?
Graphing, substitution, and elimination
500
What is the solution to the system of linear equations?
Infinitely many solutions
500
Use the substitution method to solve the system of linear equations:
y=2x
3x+y=20
Solution: (4,8)
500
Use the Elimination method to solve for y:
y + x = 2
2y - x = 1
y = 1
500
Who will become the next President of the United States on January 20th?
Joe Biden
