8M: 6-2 QC (substitution - #1)
What is the solution of the linear system? (do not
put any spaces in your answer.
What does x =?
What does y=?
1. Solve the linear system by using substituion.
     y = - 2x + 8
     y = x - 7
{
What is the solution of the linear system? (do not 
put spaces in your answer)
What does x equal?
2. Solve the linear system by substitution.
     y = x + 6
     y = -2x - 9
What does y equal?
{
3. Solve the system of equations using substitution.
What is the solution of the linear system? (do not 
put spaces in your answer)
{
y=2x-2
y=-2x+6
4.  Which system below LOOKS like it would be
easiest to solve using substitution?
   y = 3x + 6       y = 10 - 5x
{
    2x + 7y = 14        3x + 9y = 22
{
5.  Far Fetch pet daycare charges $15 a day plus    $3 per hour for a pet.  Stay and Play pet     daycare charges $10 a day plus $4 per hour    for a pet.  For how many hours will the    pet daycares charge the same amount?      
hours
6. Solve the system of equations using substitution.
What is the solution of the linear system? (do not 
put spaces in your answer)
{
y = 5x - 3
y = 2x + 6
7. Solve the system of equations using substitution.
What is the solution of the linear system? (do not 
put spaces in your answer)
{
y = -2x - 2
y = 6x + 14
8. Solve the system of equations using substitution.
No solution
(2, -2)
{
y = -2x - 2
y = -2x + 14
(3, -8)
Infinitely many solutions
9.  What is the solution to the system shown below?
         y = 8x - 4         y = 8x - 4
{
no solution
infinitely many solutions
(8, -4)
(0, -4)
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