Solving by Graphing
y = x + 4
y = 2x + 5
r + s = -6
r - s = -10
The solution to the system:
y = -2
4x - 3y = 18
What is (3, -2)
What are the three ways to solve systems of equations
Graphing, Substitution, Elimination
What is Mr. Sellers favorite Sport?
Basketball
y = 3x - 2
y = -x - 2
8a + 5b = 9
2a - 5b = -4
The solution to the system
2x+8y=20
Y=2
What is (2, 2)
How many solutions do lines that intersect have
1
What city does Mr. Sellers want to move too?
Chicago!
y = -3
x = 5
2x + 3y = 6
3x + 5y = 15
The solution to the system
X=5
2x+y=10
What is (5, 0)
How many Solutions do Parallel Lines have
0
What is Mr. Sellers favorite tv show
The Office
y = (1/3)x - 3
2x - y = 8
2a - 4b = 12
-8a + 16b = -48
3s - 2t = 4
t = 2s - 1
How many solutions do lines that coincide with each other?(the same line)
Infinite
What is Mr. Sellers favorite season of the year?
Fall!
y - 3x = 3
y = 3x - 2
(1/3)x + (1/4)y = 10
(1/3)x - (1/2)y = 4
t + u = 12
t = (1/3)u
To eliminate a variable you need the same.....?
Coefficient
What is Mr. Sellers favorite food?
Steak or Salmon