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Jeopardy. Choose a category. You will be given the answer. You must give the correct question. Click to begin. Choose a point value. Choose a point value. Click here for Final Jeopardy. Elimination. Elimination Part 2. Real-World. How many Answers?. Describe the Graph. 10 Point. - PowerPoint PPT Presentation
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Choose a category. You will be given the answer.
You must give the correct question. Click to begin.
Click here for Final Jeopardy
EliminationPart 2
How manyAnswers?
Describe theGraph
10 Point
20 Points
30 Points
40 Points
50 Points
10 Point 10 Point 10 Point 10 Point
20 Points 20 Points 20 Points 20 Points
30 Points
40 Points
50 Points
30 Points 30 Points 30 Points
40 Points 40 Points 40 Points
50 Points 50 Points 50 Points
Real-WorldElimination
Solve
x + y = 30
x – y = 6
(18, 12)
Solve
4n + 3m = 11
4n + 5m = 5
(5, -3)
Solve
-10x + 7y = 25
10x + 5y = 35
(1, 5)
Solve
2a + b = 4
a – b = 2
(2, 0)
Solve
-2x – 3y = 4
2x – 4y = 3
(-.5, -1)
Solve
2e + 3f = 18
5e – f = 11
(3, 4)
Solve
4w + 5z = 7
6w – 2z = -18
(-2, 3)
Solve
10x + 3y = 10
5x + 12y = 22
(2, 1)
Solve
-8r + 3s = 10
10r – 2s = -2
(1, 6)
Solve
10x + 3y = 34
5x + 4y = 37
(1, 8)
A manager of an apartment building needs to buy 45 air conditioners, one for each
apartment. Two models are available, one at $110 and the
other at $160. How many of each should she buy to spend $6,000?
$110 24
$160 21
For Mother’s Day a florist sells two bouquets. A bouquet of 5 roses and 10 carnations costs $8.75. A larger bouquet has a dozen roses and 15 carnations and costs $16.50. Find the cost of one rose and one carnation.
Rose .75
Carnation .50
A wildlife management station is to care for sick animals. At present
they have only birds and deer. The animals being cared for have 25 heads and 74 feet. (No animal is
missing a foot!) How many of each type of animal are at the station?
13 birds and 12 deer
This past weekend the school bake sale was held. On
Saturday the total admission for 3 adults and 3 children
was $51. On Sunday, the total admission was $25 for 1 adult
and 3 children. How much does each ticket cost?
Adults $13
Children $4
A sandwich with 2 slices of bread and 4 lsices of ham has 350 calories.
A sandwich with 2 slices of bread and 2 slices of ham has 240 calories. How many calories in each slice of
bread and in each slice of ham?
Ham 55 calories
Bread 65 calories
Tell if the system has no solution, one solution, or infinitely many solutions.
Y = 3x + 1
Y = 3x - 7
No solution
Y = 3x + 1
Y = 3x - 7
Tell if the system has no solution, one solution, or infinitely many solutions.
Y = 3x + 1
Y = 1x + 3
One Solution
Tell if the system has no solution, one solution, or infinitely many solutions.
3x + 2y = -4
6x + 4y = 7
No Solution
Tell if the system has no solution, one solution, or infinitely many solutions.
2x – 5y = 7
4x – 10y = 14
Inf. Many
Tell if the system has no solution, one solution, or infinitely many solutions.
4a – b = -13
2a + 10b = 46
One solution
Describe the graph.
Y= 2(x + 3)
Y = 2x + 3
No solution
Parallel Lines
Write a system with infinite solutions and
draw the graph.
Y = 6x + 1
Y = 6x + 1
One line
Write a system with no solution and draw the
graph.
Y = 3x +1
Y = 3x – 2
Parallel Lines
Write a system with one solution and draw the
graph.
Y = 7x – 8
Y = 2x + 2
Hit in one spot
How can you tell if there is no solution to a system of equations by looking at
the equation?
They have the same slope.
Make your wager
Final Answer
Final Question