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THIS. IS. Jeopardy. Jeopardy. Completing the Square. Graphing. Square roots. Quadratic Formula. Solve by Graphing. # of roots. 100. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 400. 500. 500. 500. - PowerPoint PPT PresentationTRANSCRIPT
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THIS
IS
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100 100 100 100 100 100
200 200 200 200 200 200
300 300 300 300 300 300
400 400 400 400 400 400
500 500 500 500 500 500
Graphing Square roots
Completing the Square # of roots Quadratic
FormulaSolve by Graphing
Jeopardy
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Which graph is wider?
y = -x2
Or
y = 4x2
HINT: if you don’t know…graph them both and check
A 100
Answer
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What is y = -x2 ?
A 100
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Would the vertex of y = -4x2 be a maximum or a
minimum?
A 200
Answer
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What is a maximum?
A 200
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A 300
When creating your T-chart to graph y = -4x2, what three
values of x should you pick?
Answer
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What are 0, 1, 2?
A 300
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What is the equation for the line of symmetry?
A 400
Answer
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What is x = -b / 2a?
A 400
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What is equation for the line of symmetry of y = 3x2 + 12x – 8?
A 500
Answer
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What is x = -2?
A 500
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Solve by finding the square roots. If the answer is irrational, round
to the nearest tenth. Write No Solution if there are no real roots.
x2 = 49
B 100
Answer
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What is x = 7 or -7?
B 100
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B 200
Solve by finding the square roots. If the answer is irrational, round
to the nearest tenth. Write No Solution if there are no real roots.
3x2 = 15
Answer
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What is x = -2.2 or 2.2?
B 200
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B 300
Solve by finding the square roots. If the answer is irrational, round
to the nearest tenth. Write No Solution if there are no real roots.
2x2 + 12= 10
Answer
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What is no solution?
B 300
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B 400
Solve by finding the square roots. If the answer is irrational, round
to the nearest tenth. Write No Solution if there are no real roots.
(x + 4)2 = 100
Answer
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B 400
What is x = 6 or -14 ?
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B 500
Solve by finding the square roots. If the answer is irrational, round
to the nearest tenth. Write No Solution if there are no real roots.
(2x – 1)2 = 49
Answer
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What is x = 4 or -3?
B 500
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C 100
What number must a equal when completing the square?
Answer
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What is a = 1?
C 100
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C 200
What value must be added to both sides of the equal sign when
completing the square?
Answer
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What is ?
C 200
2
2
b
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Solve by completing the square. If necessary, round to
the nearest tenth.
x2 + 9x = 136
C 300
Answer
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What is x = 8 or -17?
C 300
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DAILY DOUBLE
C 400
DAILY DOUBLE
Place A Wager
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C 400
Solve by completing the square. If necessary, round to
the nearest tenth.
x2 – 20x + 32 = 0
Answer
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What is x = 18.2 or 1.8?
C 400
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C 500
Solve by completing the square. If necessary, round to
the nearest tenth.
3x2 – 12x = 15
Answer
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What is x = 5 or -1?
C 500
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How many roots does the parabola have?
D 100
Answer
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What is two?
D 100
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What is the formula for the discriminant?
D 200
Answer
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What is b2 – 4ac?
D 200
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Use the discriminant to determine the number of
roots.
2x2 +9x + 1 = 0
D 300
Answer
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What are two roots?
D 300
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D 400
Use the discriminant to determine the number of
roots.
x2 – 6x = -9
Answer
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What is one root?
D 400
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D 500
Use the discriminant to determine the number of
roots.
x2 + 12 = 6xAnswer
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What are zero roots (no solution)?
D 500
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What is the quadratic formula?
E 100
Answer
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What is ?
E 100
a
acbbx
2
42
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What value must your equation equal in order to solve using the Quadratic
Formula?
E 200
Answer
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What is 0?
E 200
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Solve using the quadratic formula. Round to the nearest tenth if
necessary.
2x2 + 5x + 3 = 0
E 300
Answer
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What is x = -1 or -1.5?
E 300
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E 400
Solve using the quadratic formula. Round to the nearest tenth if
necessary.
5x2 + 16x = 84
Answer
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What is x = 2.8 or -6?
E 400
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E 500
Solve using the quadratic formula. Round to the nearest tenth if
necessary.
5x2 - 7 = 2x
Answer
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What is x = 1.4 or -1?
E 500
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Use your graphing calculator to find the zeros. Round to
the nearest tenth if necessary.
3x2 – 12x + 9 =0
F 100
Answer
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What is x = -4 or -9?
F 100
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F 200
Use your graphing calculator to find the zeros. Round to
the nearest tenth if necessary.
x2 – 6x + 12 =0
Answer
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What is no solution?
F 200
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F 300
Use your graphing calculator to find the zeros. Round to
the nearest tenth if necessary.
x2 – 6x + 9 = 0
Answer
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What is x = 3?
F 300
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F 400
Use your graphing calculator to find the zeros. Round to
the nearest tenth if necessary.
x2 – 5x + 4 =0
Answer
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What is x = 1 or 4?
F 400
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F 500
Use your graphing calculator to find the zeros. Round to
the nearest tenth if necessary.
3x2 = -27
Answer
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What is no solution?
F 500
Return to Questions
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The Final Jeopardy Category is:
Story Problems
Please record your wager.
Click on screen to begin
Click to continue
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Suppose you throw a ball in the air. The ball is 6 ft high when it
leaves your hand. Use the equation h = -16t2 + 20t + 6 to
find the maximum height of the ball.
Click on screen to continue
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12.25 feet
Click on screen to continue
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Thank You for Playing Jeopardy!
Game Designed By C. Harr-MAIT, modified by B. MacDonald