Solve by Graphing
Solve using graphing:
y=x-8
y=-2x+1
(3, -5)
Solve by substitution:
y=2x-5
x= -2
(-2, -9)
Solve using elimination:
x+y=-4
x-y=2
(-1,-3)
What is the slope in the equation y=-1/2x -4?
-1/2
How many outs are there in a normal baseball game?
54
Solve by graphing:
y= 1/2x+9
y=-x+6
(-2, 8)
Solve by substitution:
y=6x
2x+3y=-20
(-1,-6)
Solve using elimination:
2x-3y=9
-5x-3y=30
(-3,-5)
In slope intercept form, what do m and b represent?
m: slope
b: y-intercept
Who is Ms. Gabby's favorite baseball team?
New York Yankees
Solve by graphing:
y=3x+8
-x+y=-2
(-5,-7)
Solve by substitution:
y=3x+19
y=5x+33
(-7, -2)
Solve using elimination:
y=-3x+5
y=-8x+25
(4,-7)
How many solutions will the system have if there are different slopes and different y-intercepts?
One solution
Who is Ms. Gabby's current favorite Yankees player?
Aaron Judge
Solve by graphing:
y=x-2
-y=-x+2
Infinite Solution
Solve using substitution:
y=x+2
3x+3y=6
(0,2)
Solve using elimination:
6x+5y=4
6x-7y=-20
(-1,2)
What is true of lines with no solution?
They are parallel
How many world series have the New York Yankees won?
27
y=-1/2x+2
x+2y=4
Infinite Solutions
Solve using substitution:
x-2y=3
4x-8y=12
Infinite Solutions
Solve using elimination:
2x-y=-22
y=7x+67
(-9,4)
What does it mean if the lines have infinite solutions?
Same slope, same y-intercept.
Same equation, same line.
Who are the members that make up The Core Four for the New York Yankees?
Derek Jeter, Mariano Rivera, Andy Pettitte, Jorge Posada