910413
Beschreibung
Quiz von Mike Nervo, aktualisiert more than 1 year ago
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Erstellt von Mike Nervo
vor mehr als 10 Jahre
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Frage 1
Frage
The roots of the equation \(2x^2+ 4 = 9x\) are
Antworten
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real, rational, and equal
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real, rational, and unequal
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real, irrational, and unequal
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imaginary
Frage 2
Frage
What is the middle term in the expansion of \(\left(\frac{x}{2} - 2y \right)^6 \)?
Antworten
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\(20 x^3 y^3\)
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\(-\frac{15}{4} x^4 y^2\)
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\(-20 x^3 y^3\)
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\(\frac{15}{4} x^4 y^2\)
Frage 3
Frage
Which summation represents 5 + 7 + 9 + 11 … + 43?
Antworten
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\(\sum \limits_{n=5}^{43} n\)
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\(\sum \limits_{n=1}^{20} 2n + 3\)
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\(\sum \limits_{n=4}^{24} 2n -3 \)
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\(\sum \limits_{n=1}^{23} 3n - 4\)
Frage 4
Frage
In \(\triangle DEF\), \(d = 5\), \(e = 8\), and \(m\angle D = 32\). How many distinct triangles can be drawn given these measurements?
Antworten
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1
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2
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3
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0
Frage 5
Frage
Which equation represents a graph that has a period of \(4\pi\)?
Antworten
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\( y = 3 \sin \frac{1}{2}x\)
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\( y = 3 \sin 2x \)
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\( y = 3 \sin \frac{1}{4}x\)
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\( y = 3 \sin 4x\)
Frage 6
Frage
Which graph represents the solution set of \(\frac{x+16}{x-2} \le 7\)
Antworten
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\(x - 11 \)
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\( 11 - x \)
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\(\frac{1}{x-11}\)
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\(\frac{1}{11-x}\)
Frage 7
Frage
Given angle A in Quadrant I with \(\sin A = \frac{12}{13}\) and angle B in Quadrant II with \(\cos B = - \frac{3}{5}\) , what is the value of \(\cos (A - B)\)?
Antworten
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\(\frac{33}{65}\)
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\(-\frac{33}{65}\)
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\(\frac{63}{65}\)
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\(-\frac{63}{65}\)
Frage 8
Frage
In parallelogram \(BFLO\), \(OL = 3.8\), \(LF = 7.4\), and \(m\angle O = 126\). If diagonal \(\overline{BL}\) is drawn, what is the area of \(\triangle BLF\)?
Antworten
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11.4
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14.1
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22.7
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28.1
Frage 9
Frage
What is the range of \(f(x) = | x - 3 | + 2\)?
Antworten
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\( \left\{ x | x \ge 3 \right\} \)
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\( \left\{ x | x \in real numbers \right\} \)
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\( \left\{y | y \in real numbers\right\} \)
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\( \left\{ y | y \ge 2 \right\} \)
Frage 10
Frage
Which function is one-to-one?
Antworten
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\(f(x) = |x| \)
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\(f(x) = 2^x \)
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\(f(x) = x^2 \)
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\(f(x) = \sin x \)
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