500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Graphing Inequalities Ch7: find the solution Systems word problems Is it a solution? Ch7:

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Presentation transcript:

Graphing Inequalities Ch7: find the solution Systems word problems Is it a solution? Ch7: How many solutions? 200

Solve the linear system using substitution: x + 2y = -25 y = -3x Ch7 find solutions $100 Click here to check your answer

(5,-15) Back to Jeopardy Board Ch7 find solutions $100

Ch7 find solutions $200 Solve the linear system using the substitution method: x - y = 14 -x - 2y = -5 Click here to check your answer

(11, -3) Back to Jeopardy Board Ch7 find solutions $200

Solve the linear system using the elimination method: 3x – 2y = 23 2x = -2y +7 Ch7 find solutions $300 Click here to check your answer

(6, -2.5) Back to Jeopardy Board Ch7 find solutions $300

Ch7 find solutions $400 Click here to check your answer What system of equations does this graph represent? And what is the solution?

y = -x +4 y= x +2 And (1,3) Back to Jeopardy Board Ch7 find solutions $400

Ch7 find solutions $500 Click here to check your answer Solve the linear system by the elimination method: 3x + 2y = 11 -4x = -6y -6

Back to Jeopardy Board Ch7 find solutions $500 (3,1)

Ch7: How many solutions for $100 Click here to check your answer How many solutions to the linear system? 2x + 10y = 13 4x + 20y = 26

Infinitely Many Back to Jeopardy Board Ch7: How many solutions for $100

How many solutions to the linear system? 2x + 10y = 13 x + 5y = 6 Ch7: How many solutions for $200 Click here to check your answer

None. Back to Jeopardy Board Ch7: How many solutions for $200

Ch7: How many solutions for $300 Click here to check your answer How many solutions to the linear system?

One solution Back to Jeopardy Board Ch7: How many solutions for $300

Ch7: How many solutions for $400 Click here to check your answer How many solutions to the linear system? 5x + 3y = -22 4x – 5y = 12

Back to Jeopardy Board Ch7: How many solutions for $400 One solution

Ch7: How many solutions for $500 Click here to check your answer How many solutions to the linear system? x + 2y = -22 y= 4

One solution Back to Jeopardy Board Ch7: How many solutions for $500

Ch7: Is it a solution? for $100 Click here to check your answer Is (1,0) a solution to the system of equations? 4x -y = 4 3x +y = 3 Explain.

Back to Jeopardy Board Ch7: Is it a solution? for $100 Yes. It is a solution to both equations.

Ch7: Is it a solution? for $200 Click here to check your answer Is (-2,-2) a solution to the system of equations? 3x = -6 -5y = 10 Explain.

Back to Jeopardy Board Ch7: Is it a solution? for $200 Yes. It is a solution to both equations.

Ch7: Is it a solution? for $300 Click here to check your answer Is (2, -4) a solution to the system of equations? y = -5x +6 y = 2 Explain.

Back to Jeopardy Board Ch7: Is it a solution? for $300 No. It is a solution to the first equation but not the second.

Ch7: Is it a solution? for $400 Click here to check your answer Is (-3,5) a solution to the system of equations? x - 2y = -13 x = -3 Explain.

Back to Jeopardy Board Ch7: Is it a solution? for $400 Yes. It is a solution to both equations.

Ch7: Is it a solution? for $500 Click here to check your answer Is (2,3) a solution to the system of equations? 3x + 2y = 12 x = 4y – 5 Explain.

Back to Jeopardy Board Ch7: Is it a solution? for $500 No. It is a solution to the first equation but not the second.

Systems word problems for $100 Click here to check your answer You are selling cookies in order to fundraise for the Washington DC trip. Big boxes sell for $10 and small boxes sell for $6. You sell 60 boxes and earn $400. How many boxes of each type did you sell? The Question: What are your variables? (There will be no flexibility in answers… be thorough)

Back to Jeopardy Board Systems word problems for $100 Number of big boxes sold And Number of small boxes sold

Systems word problems for $200 Click here to check your answer You are planning a bowling party for your mom’s birthday. You can have your party at the Bowl’O’Rama for $5 per person plus $100 for renting out the bowling alley or at We‘R’Bowling for $7 per person plus $60 for renting out the bowling alley. How many people would you to attend the party for the cost to be the same for both places? The Question: What are your variables? (There will be no flexibility in answers… be thorough)

Back to Jeopardy Board Systems word problems for $200 Number of people attending And Total cost

Systems word problems for $300 Click here to check your answer Solve: You are selling cookies in order to fundraise for the Washington DC trip. Big boxes sell for $10 and small boxes sell for $6. You sell 60 boxes and earn $400. How many boxes of each type did you sell?

Back to Jeopardy Board Systems word problems for $ big boxes and 50 small boxes

Systems word problems for $400 Click here to check your answer Solve: You are planning a bowling party for your mom’s birthday. You can have your party at the Bowl’O’Rama for $5 per person plus $100 for renting out the bowling alley or at We‘R’Bowling for $7 per person plus $60 for renting out the bowling alley. How many people would need to attend the party for the cost to be the same for both places?

Back to Jeopardy Board Systems word problems for $400 The cost would be the same if 20 people attended.

Systems word problems for $500 Click here to check your answer A chemist needs 12 liters of a 40% alcohol solution. The chemist has a solution that is 10% alcohol. How many liters of the 10% alcohol solution and pure alcohol should the chemist mix to make 12 liters of a 40% alcohol solution?

Back to Jeopardy Board Systems word problems for $500 4 liters of pure alcohol and 8 liters of the 10% solution

Graphing inequalities for $100 Use graph #1 Click here to check your answer a.x> -3, x < 7 b.x 7 c.x> -3, x < 7 d.x 7

C Back to Jeopardy Board Graphing inequalities for $100

Graphing inequalities for $200 Click here to check your answer a.x+y -3, x>0 b.x+y> 2, 2x +y>-3, y>0 c.x+y 0 d.x+y -3, y>0 Use graph #2

D Back to Jeopardy Board Graphing inequalities for $200

Graphing inequalities for $300 Click here to check your answer Use graph #3 a.y< 2, y< 6x + 2 b.y< 2, y< 6x + 2 c.y> 2, y< 6x + 2 d.Y> 2, y< 6x + 2

A Back to Jeopardy Board Graphing inequalities for $300

Graphing inequalities for $400 Click here to check your answer a.4x<y, -x + 4y <4 b.4x>y, -x + 4y <4 c.4x>y, -x + 4y >4 d.4x>y, -x + 4y >4 Use graph #4

B Back to Jeopardy Board Graphing inequalities for $400

Graphing inequalities for $500 Click here to check your answer Use graph #5 a.x>-5, x <0, y<2x + 7 b.x<-5, x <0, y<2x + 7 c.x>5, x <0, y<2x + 7 d.x>-5, x <0, y<2x + 7

Back to Jeopardy Board Graphing inequalities for $500 D