AnswersLA-Algebra II AUnit Test

Unit Test — Cumulative exam Answers

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Which graph represents ?

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A family uses 12,986.64 Swiss francs per year to pay a mortgage that requires US dollars. Approximately how much, in US dollars, does the family spend per month on the mortgage?1 US dollar = 0.9019 Swiss francs1 Swiss franc = 1.11 US dollar

$975
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$1,080
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$1,200
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$1,440
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Doug bought a new car for $25,000. He estimates his car will depreciate, or lose value, at a rate of 20% per year. The value of his car is modeled by the equation V = P(1 – r)t, where V is the value of the car, P is the price he paid, r is the annual rate of depreciation, and t is the number of years he has owned the car. According to the model, what will be the approximate value of his car after years?

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$2,500
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$9,159
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$22,827
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$23,791
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For what values of m does the graph of y = mx2 – 5x – 2 have no x-intercepts?

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The equation is quadratic in form because it is a fifth-degree polynomial.
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The equation is quadratic in form because the difference of the exponent of the lead term and the exponent of the middle term is 2.
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The equation is not quadratic in form because it cannot be rewritten as a second-degree polynomial.
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The equation is not quadratic in form because the exponent of the lead term is not the square of the exponent of the middle term.
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