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Precalculus , 5th Edition Test Bank - Document preview page 1

Precalculus , 5th Edition Test Bank - Page 1

Document preview content for Precalculus , 5th Edition Test Bank

Precalculus , 5th Edition Test Bank

Precalculus , 5th Edition Test Bank makes studying easier with a breakdown of core topics, solved examples, and revision tips.

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Precalculus , 5th Edition Test Bank - Page 1 preview imageExamName___________________________________MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.Match the story with the correct figure.1)Mark started out by walking up a hill for 5 minutes. For the next 5 minutes he walked down a steephill to an elevation lower than his starting point. For the next 10 minutes he walked on levelground. For the next 10 minutes he walked uphill. Determine which graph of elevation above sealevel versus time illustrates the story.1)A)B)C)D)Answer:DExplanation:A)B)C)D)1
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Precalculus , 5th Edition Test Bank - Page 2 preview image
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Precalculus , 5th Edition Test Bank - Page 3 preview imageMatch the graph with its function using the x-intercepts.2)2)A)y=x4-5x2+4B)y=x4+5x2+4C)y=x4+5x2-4D)y=x4-5x2-4Answer:AExplanation:A)B)C)D)3)3)A)y=x4+25x2+144B)y=x4+25x2-12C)y=x4-25x2+144D)y=x4-25x2+12Answer:CExplanation:A)B)C)D)2
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Precalculus , 5th Edition Test Bank - Page 4 preview image4)4)A)y=x1/3-3x1/6-4B)y=x1/3+3x1/6-4C)y=x1/3-3x1/6+4D)y=x1/3+3x1/6+4Answer:BExplanation:A)B)C)D)Match the correct viewing rectangle dimensions with the figure.5)5)A)[-50,25,5] by [-50,25,5]B)[-25,25,10] by [-25,25,10]C)[-5,5,5] by [-5,5,5]D)[-25,25,5] by [-25,25,5]Answer:DExplanation:A)B)C)D)3
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Precalculus , 5th Edition Test Bank - Page 5 preview imageMatch the story with the correct figure.6)The amount of rainfall as a function of time, if the rain fell more and more softly.6)A)B)C)D)Answer:CExplanation:A)B)C)D)4
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Precalculus , 5th Edition Test Bank - Page 6 preview imageMatch the graph with its function using the x-intercepts.7)7)A)y=x-2-2x-1-3B)y=x-2+2x-1-3C)y=x-2+2x-1+3D)y=x-2-2x-1+3Answer:BExplanation:A)B)C)D)8)8)A)y=(x+2)2-5(x+2)+4B)y=(x+2)2+9(x+2)+18C)y=(x+2)2-9(x+2)+18D)y=(x+2)2+5(x+2)+4Answer:DExplanation:A)B)C)D)5
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Precalculus , 5th Edition Test Bank - Page 7 preview image9)9)A)y=x-2-x-1-2B)y=x-2+x-1-2C)y=x-2-x-1+2D)y=x-2+x-1+2Answer:AExplanation:A)B)C)D)The table of values was generated by a graphing utility with a TABLE feature. Use the following table to solve.10)Which equation corresponds toY2in the table?10)A)y2=3-2xB)y2=x+3C)y2=2x+3D)y2=3x-2Answer:CExplanation:A)B)C)D)6
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Precalculus , 5th Edition Test Bank - Page 8 preview imageMatch the correct viewing rectangle dimensions with the figure.11)11)A)[-4,4,2] by [-4,4,2]B)[-20,20,2] by [-20,20,2]C)[-16,16,4] by [-4,4,2]D)[-4,4,2] by [-80,80,8]Answer:DExplanation:A)B)C)D)12)12)A)[-1,8,1] by [-1,8,1]B)[-4,5,1] by [-1,8,1]C)[-1,8,1] by [-4,5,1]D)[-10,5,1] by [-10,5,1]Answer:CExplanation:A)B)C)D)7
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Precalculus , 5th Edition Test Bank - Page 9 preview imageMatch the graph with its function using the x-intercepts.13)13)A)y=x4-2x2-1B)y=x4+2x2-1C)y=x4-2x2+1D)y=x4+2x2+1Answer:CExplanation:A)B)C)D)14)14)A)y=2(x-3)2+3(x-3)-5B)y=2(x+3)2+3(x+3)-5C)y=2(x+3)2-3(x+3)-5D)y=2(x-3)2-3(x-3)-5Answer:DExplanation:A)B)C)D)8
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Precalculus , 5th Edition Test Bank - Page 10 preview image15)15)A)y=x1/2+2x1/4-1B)y=x1/2+15x1/4-16C)y=x1/2-15x1/4-16D)y=x1/2+2x1/4+1Answer:BExplanation:A)B)C)D)9
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Precalculus , 5th Edition Test Bank - Page 11 preview imageMatch the story with the correct figure.16)The height of an animal as a function of time.16)A)B)C)D)Answer:DExplanation:A)B)C)D)10
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Precalculus , 5th Edition Test Bank - Page 12 preview imageMatch the graph with its function using the x-intercepts.17)17)A)y=6x-2-5x-1-1B)y=6x-2-5x-1+1C)y=6x-2+5x-1+1D)y=6x-2+5x-1-1Answer:AExplanation:A)B)C)D)Match the correct viewing rectangle dimensions with the figure.18)18)A)[-1,8,1] by [-1,8,1]B)[-10,5,1] by [-10,5,1]C)[-10,30,10] by [-400,500,100]D)[-1,5,1] by [-4,8,1]Answer:CExplanation:A)B)C)D)SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.Solve the problem.19)Solve the formula r=2AΌforΌ.19)Answer:Ό=2Ar2Explanation:11
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Precalculus , 5th Edition Test Bank - Page 13 preview image20)Solve the formula r=3VΔhfor V.20)Answer:V=Δr2h3Explanation:MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.Find the x-intercept(s) of the graph of the equation. Graph the equation.21)y=x2-6x+921)A)x-intercept:18B)x-intercept:3C)x-intercept: noneD)x-intercept:-3Answer:BExplanation:A)B)C)D)12
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Precalculus , 5th Edition Test Bank - Page 14 preview imageD)Determine whether the equation is an identity, a conditional equation, or an inconsistent equation.22)7x+27+67=-5x322)A)IdentityB)Conditional equationC)Inconsistent equationAnswer:BExplanation:A)B)C)Plot the given point in a rectangular coordinate system.23)(5, 0)23)A)B)C)D)Answer:BExplanation:A)B)C)13
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Precalculus , 5th Edition Test Bank - Page 15 preview imageC)D)Solve the equation by factoring.24)-6x-2=(3x+1)224)A)-13B)-1,-13C)13, 1D)+Answer:BExplanation:A)B)C)D)Solve the equation by completing the square.25)x2+8x-3=025)A){-4-19,-4+19}B){-1-19,-1+19}C){4+19}D){-4-119,-4+119}Answer:AExplanation:A)B)C)D)Solve the equation.26)x2x+2=-2x4x+4+2x-3x+126)A)-125B){-3}C)32D){3}Answer:DExplanation:A)B)C)D)Solve the problem.27)The formulaN=2x2+4x+1represents the number of households N, in thousands, in a certaincity that have a computer x years after 1990. According to the formula, in what year were there49thousand households with computers in this city?27)A)1993B)1992C)1995D)1994Answer:DExplanation:A)B)C)D)14
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Precalculus , 5th Edition Test Bank - Page 16 preview imagePerform the indicated operations and write the result in standard form.28)(8+9i)(4-i)-(1-i)(1+i)28)A)39+44iB)39+28iC)41+28iD)43+28iAnswer:BExplanation:A)B)C)D)Solve the equation by factoring.29)12x2-7x=029)A)0,712B)-712, 0C)712,-712D){0}Answer:AExplanation:A)B)C)D)Graph the equation.30)y=5|x|30)A)B)15
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Subject
Mathematics
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Precalculus by Margaret L. Lial, Jo...

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