If a solution to a linear system of equations is no solution, what does the graph of the two equations look like?
What are parallel lines
y = x + 4
y = 2x + 5
r + s = -6
r - s = -10
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?
y = 3x - 2
y = -x - 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?
y = -3
x = 5
2x + 3y = 6
3x + 5y = 15
What is the y - value for the point of intersection in the system of equations below?
x + y = 9
2x - y = 6
What is 4
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?
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
A phone company charges a monthly fee of $13 plus 12 cents per text message. Another company charges $20 each month plus 8 cents per text message for the same plan. How many text messages have to be sent for the cost of both plans be the same (equal)?
175 text messages
y - 3x = 3
y = 3x - 2
An ice cream shop sells cups and pints of ice cream. A cup of ice cream cost $2.00 and a pint cost $3.50. In one hour, 30 customers buy either a cup or a pint of ice cream for a total of $84.00. How many of each are sold in that one hour?
What is 14 cups and 16 pints
What quadrants are the solutions of the two equations
y ≥ 2x + 1 and y > 1
What are quadrants 1 and 2 ( I and II)
Two moving companies display the cost in the table. Let y represent the total cost after traveling x miles. Company A is y = 400 + 2.50x and
Company B is y = 560 + 1.25x. The two companies cost the same amount for a customer traveling how many miles?
What is 128 miles