Name the three types of solutions a system can have.
What are one solution, no solution and infinitely many solutions
200
y = -1
y = -5/4 x +4
What is (4,-1)
200
y = x+1
y = 4x-5
What is (2,3)
200
4x+5y=22
-6x+5y =-8
What is (3,2)
200
y=3/5x+2
y=-1/4x+3
What is graphing
200
Sketch the graph of a system of equations with no solutions.
Where are parallel lines?
300
y = 5x-2
y = -x+2
What is (-1,3)
300
4x-2y=4
y=4x+2
What is (-2,-6)
300
10x +7y =-3
8x+7y =-15
What is (6, 9)
300
x + 10y =-28
-x -8y =24
What is elimination
300
What is the solution to the equation below
2.40p+3=1.2p+15
What is p=10?
400
y=-4x+4
y = -3x + 5
What is (-1,8)
400
y = -6x-3
6x - 5y= -21
What is (-1,3)
400
-3x-3y = -9
5x+12y =-13
What is (7,-4)
400
y = -x - 2
y = 2x+1
What is substitution or graphing
400
Plumbers R Us charge a $60 service charge and $35 an hour. Plumbers for Less charge a $30 service charge and $45 an hour.
Part 1: After how many hours will the repair services charge the same amount?
Part 2: What will the cost be when the two services charge the same?