904463
Descrição
Quiz por Daniel Burns, atualizado more than 1 year ago
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Criado por Daniel Burns
mais de 10 anos atrás
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Questão 1
Questão
The sum of \(8 n^2 - 3n + 10\) and \(3n^2 - 6n - 7\) is
Responda
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\[ 5 n^2 - 9n + 3\]
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\[5n^2 - 3n - 17\]
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\[-11n^2 - 9n - 17\]
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\[-11n^2 - 3n + 3\]
Questão 2
Questão
Noj is 5 years older than Jacob. The product of their ages is 84. How old is Noj?
Responda
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6
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7
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12
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14
Questão 3
Questão
What is the slope of a line represented by the equation \(2y = x - 4\)?
Responda
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1
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\(\frac{1}{2}\)
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-1
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\(-\frac{1}{2}\)
Questão 4
Questão
When \(16x^3 - 12 x^2+ 4x\) is divided by 4x, the quotient is
Responda
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\[12 s^2 - 8x\]
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\[12x^2 - 8x + 1\]
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\[4x^2 - 3x\]
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\[ 4x^2 - 3x + 1\]
Questão 5
Questão
Which fraction represents \(\frac{x^2-25}{x^2-2-20}\) expressed in its simplest form?
Responda
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\(\frac{4}{5}\)
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\(\frac{x-5}{x-4}\)
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\(\frac{x+5}{x+4}\)
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\(\frac{25}{x+20}\)
Questão 6
Questão
When x = 4, the value of \(2 x^0 + x!\) is
Responda
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24
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25
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26
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28
Questão 7
Questão
Jonathan drove to the airport to pick up his friend. A rainstorm forced him to drive at an average speed of 45 mph, reaching the airport in 3 hours. He drove back home at an average speed of 55 mph. How long, to the nearest tenth of an hour, did the trip home take him?
Responda
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2.0 hours
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2.5 hours
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2.8 hours
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3.7 hours
Questão 8
Questão
If the area of a rectangle is represented by \(x^2+ 8x+15\) and its length is represented by \(x+ 5\), which expression represents the width of the rectangle?
Responda
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\(x+ 3\)
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\(x- 3\)
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\(x^2+ 6x+5\)
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\(x^2+ 7x+10\)
Questão 9
Questão
Which interval notation represents \(-3 \leq x \leq 3\)?
Responda
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\([-3, 3]\)
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\((-3, 3]\)
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\([-3, 3)\)
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\((-3, 3)\)
Questão 10
Questão
Which equation represents a line parallel to the line whose equation is \(2x + 3y = 9\)?
Responda
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\(y = \frac{2}{3}x - 4\)
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\(y = -\frac{2}{3}x + 4\)
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\(y = \frac{3}{2}x - 4\)
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\(y = -\frac{3}{2}x - 4\)
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