Absolute Value Functions
Equations of Lines
Systems (Graphing)
Systems (Elimination)
Systems (Word Problems)
100
Does this graph open up or down? 
Down
100
Solve for y:
-2x+y=-3
-6x+3y=-9
100
When graphing, how do you know when a system has no solution?
The graphs do not cross
The lines have the same slope
100
Solve using elimination:
-3x+7y=9
3x+y=15
(4,3)
100
Define the variables:
The school bookstore sells T-shirts for $8 and sweatshirts for $12. Last month, the bookstore sold 37 T-shirts and sweatshirts for a total of $376. How many T-shirts and sweatshirts were sold?
x=number of t-shirts sold
y=number of sweatshirts sold
200
What is the vertex?
(-5,0)
200
Solve for y:
-3x-2y=10
y=-3/2x-5
200
Graph and state the solution:
y=-x-2
y=3x+2
(-1,-1)
200
Solve using elimination:
3x+2y=8
3x+4y=14
(2/3,3)
200
Write the equations:
Amy buys five hats and three scarves that cost $99. Tara buys three hats and five scarves for $85. Find the cost of one hat and one scarf.
5x+3y=99
3x+5y=85
300
What is the vertex of
f(x)=abs(x-8)+3
(8,3)
300
Write the equation of the line
y=-1/3x+3
300
Graph and state the solution:
y=2
x=-1
(-1,2)
300
Solve using elimination:
5x-6y=25
4x+2y=3
(2,-5/2)
300
Write the equations:
The school bookstore sells T-shirts for $8 and sweatshirts for $12. Last month, the bookstore sold 37 T-shirts and sweatshirts for a total of $376. How many T-shirts and sweatshirts were sold?
8x+12y=376
x+y=37
400
What are the translations of this graph?
Left 5 units
400
What is the equation of the line when m=3 and goes through the point (5,2)
y=3x-13
400
Graph and state the solution:
y=-x+1
y-2x=-5
(2,-1)
400
Solve using elimination:
3x-4y=18
x+3y=-7
(2,-3)
400
A movie theater sells tickets for $9.00 each, but students get a discount and only pay $6.00. Yesterday, the movie theater sold 590 tickets and collected a total of $4,680. How many regular tickets and student tickets were sold?
380 regular tickets and 210 student tickets
500
What is the domain and range?
Domain: All Real Numbers
Range:
y<=0
500
Write the equation of the line that passes through (-3,9) and (-2,7)
y=-2x+3
500
Can a systems of equations have two answers? Explain
No. Two lines can only cross at one point, not two
500
Solve using elimination:
3x+4y=-25
2x-3y=6
(-3,-4)
500
In a cash register there are 90 bills, five dollar and ten dollar bills only. If their value is $690, how many of each bill are there?
42 five dollar bills
48 ten dollar bills