Systems with Graphs
Solving by Substitution
Random
What step is this?
Miscellaneous
100
What is the solution?
(-1,1)
100
Solve the systems of equations:
-3x + 4y = -2
y = -5
(-6, -5)
100
Is the given point a solution to the system of equations?
Point: (2,6)
x + y = 8
3x - y = 0
Yes
100
What step is being performed?
2( x + 4) = 24
2x + 8 = 24
Distributive Property
100
When is your IXL skill sheet due for Unit 4?
today
200
How many solutions are there?
No Solutions
200
Solve the systems of equations:
-5x - 5y = 10
y = -4x -17
(-5, 3)
200
Is the given point a solution to the system of equations?
Point: (1/2, -2)
6x + 5y = -7
2x - 4y = -8
No
200
What step is being performed?
2x + 4 = 16
2x = 12
Isoloate the Variable
200
What tools may you use on the summative assessment (there are 2)?
Any written notes and a calculator.
300
Solve Using Graphing:
y = 5/3x + 2
y = -3
300
Solve the systems of equations:
y = -2x - 9
3x -6y = 9
(-3, -3)
300
What is this form called?
y = mx + b
Slope Intercept Form
300
What step is being performed?
2x + 12 = -x + 36
2x = -x + 24
Get rid of same thing on both sides.
300
What should you NOT forget to do when you take the summative assessment if you want to get an A?
One reflection question.
400
How many solutions are there?
Infinitely Many Solutions
400
Solve the systems of equations:
-8x - 5y = -24
-x + y = 10
(-2, 8)
400
Determine which method you would use to solve the following system of equations. Explain your reasoning.
0.3x - 0.2y = -2.1
0.6x + 1.3y = 0.9
Elimination - the equations are already in standard form.
400
What step is being peformed:
2x + 3x -5 = 15
5x - 5 = 15
Combine like terms.
400
How many children does Mrs. Carey have?
5
500
Solve the systems of linear equations by graphing:
500
Solve the systems of equations:
-8x + y = -7
16x - 2y = 14
Infinitely Many Solutions
500
Solve the following System of Equations
-6y + 2 = -4x
y - 2 = x
First step, substitute the x into the top equation.
(-5,-3)
500
What step is being performed?
2x = 24
x = 12
Solving for the variable.
500
What is our next unit? (Don't say Unit 5)
Functions