Systems in 3 variables
What is the solution?
y = 4x
x + 2y - z = 7
3x - 4y + 2z = -9
What is (1, 2, 4)
Solve the systems of equations using substitution:
-3x + 4y = -2
y = -5
(-6, -5)
Solve the systems of equations using Elimination:
14x + 2y = 26
-14x - 6y = -50
(1, 6)
What strategy would you use?
14x + 2y = 26
-14x - 6y = -50
elimination
What school does the Mountaineers play on Friday?
RCB
What is the solution?
x - 2y + z = -11
3x + 2y - z = 7
-x + 2y + 4z = -9
What is (-1, 3, -4) ?
Solve the systems of equations using substitution:
-5x - 5y = 10
y = -4x -17
(-5, 3)
Solve the systems of equations using Elimination:
-3x - 5y = 2
3x + 5y = 7
No Solution
What strategy would you use?
-5x - 5y = 10
y = -4x -17
substitution
What is the difference between an equation and an expression?
An equation has an equals sign and an expression doesn't.
What is the solution?
x + 4y - 6z = -1
2x - y + 2z = -7
-x + 2y - 4z = 5
What is (-3, -1, -1) ?
Solve the systems of equations using substitution:
y = -2x - 9
3x -6y = 9
(-3, -3)
Solve the systems of equations using Elimination:
-6x - 10y = 4
6x + 10y = 0
No Solution
Is there 1 solution, No solution, or Infinite solutions for the system of linear equations below?
3x - y = 19
-3x + y = 10
No Solutions
Which math class traditionally comes before Algebra 2?
What is Geometry?
What is the solution?
x + y - 2z = 5
-x + 2y + z = 2
2x + 3y - z = 9
What is (1, 2, -1) ?
Solve the systems of equations using substitution:
-8x - 5y = -24
-x + y = 10
(-2, 8)
Solve the systems of equations using Elimination:
-3x - 24y = -66
3x + 4y = -14
(-10, 4)
Is the given point a solution to the system of equations?
Point: (2,6)
x + y = 8
3x - y = 0
Yes
Where does the soccer team play on Tuesday?
Grafton
The solution of:
3x - y + 2z = 4
6x - 2y + 4z = -8
2x - y + 3z = 10
What is no solution?
Solve the systems of equations using substitution:
-8x + y = -7
16x - 2y = 14
Infinitely Many Solutions
Solve the systems of equations using Elimination:
-15x + 6y = -36
8x - 6y = 22
(2, -1)
Is the given point a solution to the system of equations?
Point: (1/2, -2)
6x + 5y = -7
2x - 4y = -8
No
What is on today's lunch menu?
Popcorn Chicken & Mashed Potatoes