Graphing
Substitution
Elimination
Word Problems
Four Fours
100
What is the solution to this system?
(1,4)
100
solve
y=-7x
y=-4x
(0,0)
100
Solve
-8x-3y=0
7x+3y=0
(0,0)
100
Alberto and Mike are selling pies for a school fundraiser. Customers can buy cherry pies and
pumpkin pies. Alberto sold 10 cherry pies and 4 pumpkin pies for a total of $112. Mike sold 2
cherry pies and 3 pumpkin pies for a total of $51. Find the cost each of one cherry pie and one
pumpkin pie.
What are the 2 equations?
10x+4y=112
2x+3y=51
100
How can you use four 4s to equal the number 1?
44/44
200
What is the solution to this system?
No Solution
200
Solve
y=-2
y=2x+12
(-7,-2)
200
Solve
x+8y=22
-x-8y=24
No Solution
200
James and Jaidee each improved their yards by planting hostas and ivy. They bought their
supplies from the same store. James spent $68 on 1 hosta and 6 pots of ivy. Jaidee spent $160 on
14 hostas and 12 pots of ivy. What is the cost of one hosta and the cost of one pot of ivy?
Write the 2 equations
1x+6y=68
14x+12y=160
200
How can you use four 4s to equal the number 5?
(4x4+4)/4
300
If two lines coincide on a graph the solution to the system is?
Infinite Solutions
300
Solve
y=8x+10
y=4x+2
(-2,-6)
300
Solve
x+y=9
-x-y=-9
Infinite solutions
300
Mr. Ferggy bought 12 pieces of fruit. boisenberries cost $.50 and jack fruits cost $1.25. Mr. Ferggy paid $10.25. How many of each piece of fruit did he buy?
7 boisenberries
5 jack fruit
300
How can you use four 4s to equal the number 17?
4/4+4x4
400
What form does a equation need to be in to be graphed? (Exact answer)
Slope Intercept Form
400
Solve
7x+6y=24
y=-3x+4
(0,4)
400
Solve
6x-14y=-22
-10x-7y=-24
(1,2)
400
Nicole's school is selling tickets to the annual talent show. On the first day of ticket sales the
school sold 4 senior citizen tickets and 3 child tickets for a total of $92. The school took in $312
on the second day by selling 12 senior citizen tickets and 12 child tickets. What is the price each
of one senior citizen ticket and one child ticket?
Senior $14
Children $12
400
How can you use four 4s to equal the number 32?
4x4+4x4
500
What are the 3 types of graphing answers that are possible.
no solution, one solution, infinite many solutions
500
Solve
-2x-3y=-14
y=-5x+9
(1,4)
500
Solve
-5x+9y=-22
4x-5y=11
(-1,-3)
500
The sum of the digits of a two digit number is 10.
Their difference is 4. What is the largest this number could be?
73
500
How can you use four 4s to equal the number 46?
44-square root 4+4