Solving by Graphing
The quadrant in which the solution to the following system lies:
y = x + 4
y = 2x + 5
What is II
The solution to the system of equations:
r + s = -6
r - s = -10
What is (-8, 2)?
The sum of two numbers is 104. Their difference is 68. What are the numbers?
What are 86 and 18?
(4x^2 + 2x) + (x^2 + 6x)
What is 5x^2 +8x?
Factor: 3x^2-12x
What is 3x(x-4)?
The solution to the system of equations:
y = 3x - 2
y = -x - 2
What is (0, -2)?
The solution to the system:
8a + 5b = 9
2a - 5b = -4
What is (0.5, 1)?
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?
(4x^3 + 5x + 2) - (1 + 2x - 3x^2)
What is 4x^3 + 3x^2 +3x + 1?
Factor: 21b-15a
What is 3(7b-5a)?
The solution to the system of equations:
y = -3
x = 5
What is (5, -3)?
The solution to the system:
2x + 3y = 6
3x + 5y = 15
What is (-15, 12)?
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?
(x^2yz)(x^2y^4)
What is x^4y^5z?
Factor: 3x^2-27
What is 3(x^2-9)
The solution to the system of equations
y = (1/3)x - 3
2x - y = 8
What is (3, -2)?
The solution to the system
2a - 4b = 12
-8a + 16b = -48
What is infinitely many solutions?
The dimensions of a rectangle whose perimeter is 78 inches, when the length of the rectangle is twice its width
What is 26x13?
(3ab^2)(-2abc)(4ac^2)
What is -24a^3b^3c^3?
Factor: 6x+9y
What is 3(2x+3y)?
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 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?
(3a^2b)(-6bc)(2ac^2)
What is -36a^3b^2c^3?
Factor 30a+39b