Past Review
Solve for x:
x2 = 36
+6, -6
The solution to this system of equations:
2y - 8 = 4x
y = 2x + 4
Infinitely many solutions
The solution to the system of equations:
r + s = -6
r - s = -10
What is (-8, 2)?
x = 4y
2x + 3y = 22
The sum of two numbers is 104. Their difference is 68. What are the numbers?
What are 86 and 18?
Factor:
x2 - 2x - 8
(x-4)(x+2)
The solution to the system of equations:
y = 3x - 2
y = -x - 2
What is (0, -2)?
8a + 5b = 9
2a - 5b = -4
y = x - 2
3x - y = 16
A shopper bought 6 shirts and 8 hats for $700. A week later, at the same prices, he bought 9 shirts and 6 hats for $660. What was the cost of one shirt?
What is $30?
What are our two equations for a line?
Slope Intercept: y=mx+b
Standard Form: Ax + By = C
The solution to the system of equations:
y = -3
x = 5
What is (5, -3)
2x + 3y = 6
3x + 5y = 15
y = 3x - 1
7x + 2y = 37
The number of each type of ticket sold in the following situation: Tickets to a football game cost $5.oo if purchased before the day of the game. They cost $7.50 if purchased at the game. For a particular game, 600 tickets were sold and the receipts were $3500.
What is 400 advanced tickets, 200 game-day tickets?
Simplify:
(6x5) / (3x2)
The solution to the system of equations
y = (1/3)x - 3
2x - y = 8
What is (3, -2)
2a - 4b = 12
-8a + 16b = -48
3s - 2t = 4
t = 2s - 1
The dimensions of a rectangle whose perimeter is 78 inches, when the length of the rectangle is twice its width
What is 26x13?
Simplify:
(2x3)2
4x6
The solution to the system of equations:
y - 3x = 3
y = 3x - 2
What is no solution?
The solution to the system:
(1/3)x + (1/4)y = 10
(1/3)x - (1/2)y = 4
What is (24, 8)
The solution to the system
t + u = 12
t = (1/3)u
What is (3, 9)?
The amount of money each child received when Mr. Vogel left $25,000 divided between his son and daughter, with the daughter receiving $5000 less than the son.
What is $15,000 for the son and $10,000 for the daughter?