Elimination
Vocabulary
Substitution
Graphing
Mrs. Salazar
100
What operation would you conduct in order to eliminate the x in the following systems of equations?
2x+3y=22
6x-3y=2
Addition
100
What is a variable?
A letter used to represent an unknown value
100
What is another way to say “to substitute”?
To plug in
100
How many solutions are there to this system of equation? 
No solution
100
Mrs. Salazar is so nice and is allowing students to retake their Quiz 2 the Slope Quiz, when is the retake for Quiz 2 the Slope Quiz?
Thursday and Friday after school
200
Why will one step elimination not work for the following systems of equations?
x+4y=16
2x-2y=16
Neither x nor y has the same or opposite value
200
What part of the expression is the red arrow pointing to?
Coefficient
200
Solve the systems of equations using substitution:
2x+y=14
y=8
x = 3
200
When using the NumWorks Calculator:
1) What App do you use to graph?
2) What buttons do you press to type an = (equal sign)?
3) What buttons do you press to type x and y?
1. Grapher
2. Shift then Pi
3. Alpha then 2 (or cut) and Alpha then 3
200
Who is Mrs. Salazar’s favorite singer?
Russ
300
Solve the system of equations using elimination:
5x+10y=20
5x+2y=8
x = 1
y = 1.5
300
What is the difference between a solution and an answer?
A solution refers to the value of a variable while an answer refers to the final outcome.
300
Solve the systems of equations using substitution:
3x+y=18
x+2=y
x = 4
y = 6
300
Draw a graph that represents a systems of equations with one solution
Two lines that intersect once
300
What classes does Mrs. Salazar’s teach?
Algebra 1, Geometry, and Algebra Support
400
Solve the system of equations using elimination:
2x+3y=16
2x-2y=6
x = 5
y = 2
400
How would you describe y-intercept?
Where a line touches on the vertical number line (y-axis)
400
What does substituting mean in solving systems of equations?
Replacing a variable in one equation with its value from another equation
400
What error was made when graphing this system of equation?
The x in 9X+3y=12 is capitalized
400
What is Mrs. Salazar's husband's name?
Jordan
500
Solve the system of equations using elimination:
2x+3y=12
4x-6y=-12
x = 3
y = 2
500
What is a constant (specifically when talking about an equation written in slope-intercept form)?
The number without a variable
500
Solve the system of equations using substitution:
y=4x−5
2x+3y=6
x = 1.5
y = 1
500
All equations from Unit 2 will look like what when graphed?
A straight line
500
What are the names of Mrs. Salazar's dogs?
Blue and Zuko