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Jeopardy. Student Choice. Special Systems. Substitution. Addition. Challenge. Q $100. Q $100. Q $100. Q $100. Q $100. Q $200. Q $200. Q $200. Q $200. Q $200. Q $300. Q $300. Q $300. Q $300. Q $300. Q $400. Q $400. Q $400. Q $400. Q $400. Q $500. Q $500. Q $500.

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Jeopardy

Student Choice

Special

Systems

Substitution

Addition

Challenge

Q $100

Q $100

Q $100

Q $100

Q $100

Q $200

Q $200

Q $200

Q $200

Q $200

Q $300

Q $300

Q $300

Q $300

Q $300

Q $400

Q $400

Q $400

Q $400

Q $400

Q $500

Q $500

Q $500

Q $500

Q $500

Final Jeopardy


$100 Question s Substitution

{

y = x + 2

y = 2x - 5


$100 Answer s Substitution

(7, 9)


$200 Question s Substitution

{

x = y - 1

x + 2y = 8


$200 Answer s Substitution

(2, 3)


$300 Question s Substitution

{

y = x – 10

x – 2y = 3


$300 Answer s Substitution

(17, 7)


$400 Question s Substitution

{

x – y = -3

2x + y = 12


$400 Answer s Substitution

(3, 6)


$500 Question s Substitution

{

y – x = 8

5x + 2y = 9


$500 Answer s Substitution

(-1, 7)


$100 Question s Addition

{

3x + y = 6

5x – y = 10


$100 Answer s Addition

(2, 0)


$200 Question s Addition

{

3x + 2y = 10

3x – 2y = 14


$200 Answer s Addition

(4, -1)


$300 Question s Addition

{

x + y = 12

2x + y = 6


$300 Answer s Addition

(-6, 18)


$400 Question s Addition

{

3x – y = 2

-8x + 2y = 4


$400 Answer s Addition

(-4, -14)


$500 Question s Addition

{

2x = y + 20

3x + 2y = -19


$500 Answer s Addition

(3, -14)


$100 Question s Student Choice

{

y = 3 – x

2x – y = 6


$100 Answer s Student Choice

(3, 0)


$200 Question s Student Choice

{

-2x – y = -5

3x + y = -1


$200 Answer s Student Choice

(-6, 17)


$300 Question s Student Choice


$300 Answer s Student Choice


$400 Question s Student Choice

y = x + 3

-2x + y = -4


$400 Answer s Student Choice

(7, 10)


$500 Question s Student Choice

{

2x + y = 8

3x + 5y = 5


$500 Answer s Student Choice

(5, -2)


$100 Question s Special Systems

Classify and state the number of solutions.

{

y = 4 – 3x

3x + y = 4


$100 Answer s Special Systems

Consistent and Dependent

Infinitely Many Solutions


$200 Question s Special Systems

1.) What kinds of lines are inconsistent?

2.) Compare the slopes of the lines in an inconsistent system.

3.) Compare the y-intercepts of the lines in an inconsistent system.


$200 Answer s Special Systems

1.) Parallel

2.) The slopes are the same.

3.) The y-intercepts are different.


$300 Question s Special Systems

Classify and state the number of solutions.

{

y + 3x – 2 = 0

9x + 3y = 6


$300 Answer s Special Systems

Consistent and Dependent

Infinitely Many Solutions


$400 Question s Special Systems

Classify and give the number of solutions.

{

y + 3x = -1

x = y + 3x - 1


$400 Answer s Special Systems

Consistent and Independent

One Solution


$500 Question s Special Systems

Classify and give the number of solutions.

{

3x – 2y = 9

-6x + 4y = 1


$500 Answer s Special Systems

Inconsistent

No Solution


$100 Question s Challenge

Solve twice. Use substitution AND addition.

{

4x + y = 10

-2x = y + 4


$100 Answer s Challenge

(7, -18)


$200 Question s Challenge

Solve by graphing.

{

y = 5/2x + 2

y = 2x + 4

$50 BONUS

Describe a real-life situation that could be represented by this data.


$200 Answer s Challenge

(4, 12)

One bowling alley charges $2.50 per game plus $2.00 for shoe rental. Another charges $2.00 per game plus $4.00 for shoe rental. For how many games will the cost of bowling be the same at both places.


$300 Question s Challenge

Solve using addition.

{

9x – 2y = 15

4x + 3y = -5


$300 Answer s Challenge

(1, -3)


$400 Question s Challenge

{

2x – 3y – z = 12

y + 3z = 10

z = 4


$400 Answer s Challenge

(5, -2, 4)


$500 Question s Challenge

A group of students go out for lunch. If two have hamburgers and five have hot dogs, the bill will be $8.00. If five have hamburgers and two have hot dogs, the bill will be $9.50. What is the price of a hamburger?


$500 Answer s Challenge

$1.50


Final Jeopardy

The larger of two numbers is 1 more than twice the smaller. The sum of the numbers is 20 less than three times the larger. Find the two numbers.


Final Jeopardy Answer

6 and 13


One cable television provider has a $60 setup fee and $80 per month, and the second has a $160 equipment fee and $70 per month.

a.) In how many months will the cost be the same? What will that cost be.

b.) If you plan to move in 6 months, which is the cheaper option? Explain.


a.) 10 months, $860

b.) First company ($80/mo and $60 setup fee)

$80(6) + $60 = $540

$70(6) + $160 = $580


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