What is the solution?
(-1,1)
Solve the systems of equations:
-3x + 4y = -2
y = -5
(-6, -5)
Solve the systems of equations:
14x + 2y = 26
-14x - 6y = -50
(1, 6)
What strategy would you use?
14x + 2y = 26
-14x - 6y = -50
elimination
Is the given point a solution to the system of equations?
Point: (-1,-3)
x + y2 = 8
3x - y = 0
Yes
How many solutions are there?
No Solutions
Solve the systems of equations:
-5x - 5y = 10
y = -4x -17
(-5, 3)
Solve the systems of equations:
-3x - 5y = 2
3x + 5y = 7
No Solution
Ms Carew bought 2 new shirts and a dress for $45. She then went back and bought another shirt and 4 dresses for $70.
Write a systems of equations for the situation.
x + 4y = 70
What is Mr. Sawin's sons' names?
Miles and Cole
Solve Using Graphing:
y = 5/3x + 2
y = -3
Solve the systems of equations:
y = -2x - 9
3x -6y = 9
(-3, -3)
Solve the systems of equations:
-6x - 10y = 4
6x + 10y = 0
No Solution
Ms. Carew went to Dunkin and bought one coffee and a bagel, her total was $7. Ms. Flood went to Dunkin and bought 2 coffees and 3 bagels and spent $18.
Write a systems of equations for this situation.
x + y = 7
2x + 3y = 18
Where did Mr Sawin go to college?
Pierce College
Central Washington University
Western Governors University
How many solutions are there?
Infinitely Many Solutions
Solve the systems of equations:
-8x - 5y = -24
-x + y = 10
(-2, 8)
Solve the systems of equations:
-3x - 24y = -66
3x + 4y = -14
(-10, 4)
How many solutions do parallel lines have?
No Solutions
Who is playing in the college football national championship game?
Notre Dame
Ohio State
Solve the systems of linear equations by graphing:
Solve the systems of equations:
-8x + y = -7
16x - 2y = 14
Infinitely Many Solutions
Solve the systems of equations:
-15x + 6y = -36
4x - 3y = 11
(2, -1)
How many solutions does the system have?
3y + 4x = 6
12y + 16x = 24
These are the same exact line, therefore they have
Infinite Solutions
Solve the following System of Equations
-6y + 2 = -4x
y - 2 = x
First step, substitute the x into the top equation.
(-5,-3)