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8M: 6-3 QC (elimination #2)
供稿人: Maynard
(原作者: May)
1. Follow the steps to solve the system by elimination.
       2x - 3y = 14
       2x + y = -10 
{
a) What does y equal ?
b) What does x equal?
c) What is the solution of the system? 
   (no spaces)
2. Solve the system by elimination.
     7x-4y=-30
     3x+4y=10
b) What does y equal?
c) What is the solution of the linear system?
    (no spaces)
a) What does x equal?
{
3. Solve the linear system by  the method you think
    is easiest.
         x + 6y = 28
        2x - 3y = -19
{
a) What does x equal?
b) What does y equal?
c) What is the solution of the linear system?
   (no spaces)
4. Solve the following system by Elimination.    Select the answer that best describes the solution         to the system.
(4,8)
(2,-4)
{
  2x + y = 4-4x - 2y = 10
No solution
Infinitely many solutions
5. Solve the following system by Elimination.    Select the answer that best describes the solution    to the system.
(7,14)
(0,7)
{
x + 3y = 7
2x + 6y = 14
No solution
Infinitely many solutions
6.  Brianna's family spent $132 on 2 adult tickets
     and 3 youth tickets at an amusement park.  
     Max's family spent $146 on 3 adult tickets and 
     2 youth tickets.  Find the price of an adult
     ticket and a youth ticket.
price of an adult ticket: $ (do not label)
price of a youth ticket: $ (do not label)
7.  The little league baseball team went out     for pizza after a game.  If they ordered       seven large pizzas plus two medium pizzas     altogether they would have 100 slices.  If they     ordered five larges and six medium pizzas     they would have a total of 108 slices.  How     many slices were there in each large and in     each medium pizza?
# of slices in a medium pizza:
(do not label)
# of slices in a large pizza:
(do not label)
slices
slices
8.  Davis has 7 bills, all tens and twenties.  He has
     a total of $100 in value.  How many of each
     bill does he have?
# of 20 dollar bills:(do not label)
# of 10 dollar bills:(do not label)
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