Precalculus , 5th Edition Test Bank

Preview (16 of 1383 Pages)

100%

Purchase to unlock

Loading page image...

ExamName___________________________________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

Loading page image...

Match 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

Loading page image...

4)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

Loading page image...

Match 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

Loading page image...

Match 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

Loading page image...

9)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

Loading page image...

Match 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

Loading page image...

Match 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

Loading page image...

15)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

Loading page image...

Match 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

Loading page image...

Match 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

Loading page image...

20)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

Loading page image...

D)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

Loading page image...

C)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

Loading page image...

Perform 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

Preview Mode

This document has 1383 pages. Sign in to access the full document!

Report

Study Now!

Document Details

Related Documents

AP Calculus AB Scoring Guide Unit 6 Progress Check

Clinical Psychologist

Module 4 Matrices

MATH 1324 Homework 5 Answers

Ap progress 1 5 all 5

The Fundamental Theorem of Calculus and Definite I

AP Calculus AB Scoring Guide

Investigating the Rising Cost of MTA Transit Fare

Module 11 Geometry

AP Calculus AB Unit 5 Progress Check Scoring Guide

Company

Explore

Study Tools