989571
Beschreibung
Quiz von Harmony Richman, aktualisiert more than 1 year ago
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Erstellt von Harmony Richman
vor mehr als 10 Jahre
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Frage 1
Antworten
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9 ; 1
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-9 ; 4
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10 ; 3
Frage 2
Frage
Solve x^2 + 13 = 4x by using the quadratic formula.
Antworten
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2 + 3i 2 - 3i
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4 + 6i 4 - 6i
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5 ; -1
Frage 3
Frage
The discriminant of 2x^2 + 3x + 1 = 0 is -2
Antworten
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True
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False
Frage 4
Frage
2x^2 + 3x + 1 = 0 has 2 REAL solutions.
Antworten
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True
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False
Frage 5
Frage
Solve 6x^2 - 13x - 8 = 0 by factoring.
Antworten
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x = 1/2; x = -8/3
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x = -1/2; x = 8/3
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x = 1; x = 3
Frage 6
Frage
Solve: 4 - 5x = 3x + 14
Antworten
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x = -5/2
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x = 5/4
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x = -5/4
Frage 7
Frage
Solve: - 2x + 7 < 5x + 1
Antworten
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x > 6/7
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x < 6/7
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x > - 6/7
Frage 8
Frage
The length of a rectangle is 9 feet less than twice the width. The perimeter is 54 ft, find the width and length.
Antworten
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w = 12 l = 15
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w = 9 l = 36
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w = 6 l = 42
Frage 9
Frage
Force, f, is directly proportional to the acceleration, a. If a force of 10 pounds produces an acceleration of 2 feet per second, what will be produced by a 15- pound force?
The acceleration for a 15-pound force is 3 feet per second.
Antworten
- True
- False
Frage 10
Frage
The number of MP3 players a company can sell is inversely proportional to the price of the player. If 5000 MP3 players can be sold when the prices is $150, how many players can be sold if the price is $125?
Antworten
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33.333
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750000
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6000
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