Algebra I - Final Exam Review 2014Answer Section

1. ANS:TOP:KEY:NOT:

2. ANS:TOP:BLM:

3. ANS:TOP:KEY:NOT:

4, ANS:STA:KEY:

5. ANS:7x3 +9x~ -3

A PTS: 1 DIF: Level A REF: MALG1219

Lessen 9.1 Add and Subtract Polynomialspolynomial[exponents [ descending I order BLM: Knowledge

978-0-618-65612-7A PTS: 1 DIF: Level B REF: MALGI221

Lesson 9.1 Add and Subtract Polynomials KEY: polynomial I degreeComprehension NOT: 978-0-618-65612-7A PTS: 1 DIF: Level B REF: MALG1223Lesson 9.1 Add and Subtract Polynomialsclassify[ polynomial I degree[name [binomial BLM: Comprehension978-0-618-65612-7A PTS: 1 DIF: Level B REF: MALG1246NJ.CCCSMTH.02.9-12.4.3.D,I.1 TOP: Lesson 9.1 Add and Subtract Polynomialspolynomial] subtract BLM: Application NOT: 978-0-618-65612-7

PTS: 1 DIF: Level B REF: MALG1248 STA: NJ,CCCS,MTH.02.9-12.4.3.D.I.I

TOP: Lesson 9.1 Add and Subtract Polynomials KEY: polynomial I subtract

BLM: Comprehension NOT: 978-0-618-65612-7

ANS:7x2 +3x+4

PTS: 1 DIF: LeveIB REF:TOP: Lesson 9.1 Add and Subtract PolynomialsBLM: Comprehension NOT:

ANS: C PTS: 1 DIF:STA: NJ.CCCS.MTH.02.9-12.4.3.DA.2TOP:KEY: polynomial I multiply BLM:NOT: 978-0-618-65612-7ANS: A PTS: 1 DIF:STA: NJ.CCCS.MTH.02.9-12.4.3.D.1.2TOP:KEY: multiply I polynomial BLM:NOT: 978-0-618-65612-7ANS:60x - 40x~

MALG1234 STA: NJ.CCCS.MTH.02.9-12.4.3.D.I.1KEY: polynomials I add

978-0-618-65612-7Level B REF: MALG1263Lesson 9,2 Multiply PolynomialsComprehension

Level B REF: MALGl266Lesson 9.2 Multiply PolynomialsComprehension

PT$: 1 DIF: LevelA REF: MALG1253 STA: NJ.CCCS.MTH.02.9-12.4,3.D.1.2TOP: Lesson 9.2 Multiply Polynomials KEY: distributive property ! polynomialBLM: Knowledge NOT: 978-0-618-65612-7

ID: A

10. ANS:6x~ + 15x3 + 9xz

PTS: 1 DIF: LeveIBTOP: Lesson 9.2 Multiply PolynomialsBLM: Comprehension

11. ANS: A PTS: 1STA: NJ.CCCS.MTH.02.9-12.4.3.D. 1.2KEY: binomial I lnultiply ] difference of two squaresNOT: 978-0-618-65612-7

I2. ANS:

REF: MALGI257 STA: NJ.CCCS.MTH.02.9-12.4.3.D.1.2KEY: trinomial I monomial I multiply [ polynomialNOT: 978-0-618-65612-7DIF: Level A REF: MALG1296TOP: Lesson 9.3 Find Special Products of Polynomials

BLM: Knowledge

az- 14a +49

PTS: 1 DIF: Level A REF: MALG1287TOP: Lesson 9.3 Find Special Products of PolynomialsBLM: Knowledge NOT: 978-0-618-65612-7

13. ANS:(5x+ 3)(x+ 8)

KEY: square [ binomial

PTS: 1 DIF: LevelA REF:KEY: quadratic I trinomial I polynomial I factorNOT: 978-0-618-65612-7

14. ANS: D PTS:STA: NJ.CCCS.MTH.02.9-12.4.3.D.2.3KEY: cubic equation I solve [ factorNOT: 978-0-618-65612-7

15. ANS:9,0,2

MALG 1326 TOP: Lesson 9.6 Factor ax2 + bx + cBLM: Knowledge

DIF: Level B REF: MALG1346TOP: Lesson 9.8 Factor Polynomials CompleteIyBLM: Comprehension

I6.

PTS:TOP:KEY:NOT:ANS:

The

1 DIF: LeveiA REF: MALG1342Lesson 9.8 Factor Polynomials Completelyfactor I solve ] equation I cubic equation978-0-618-65612-7

STA: NJ.CCCS.MTH.02.9-12.4.3.D.2.3

BLM: Comprehension

graph is wider than that ofy =x-~, passing through (2, 2) rather than (2, 4).

17.

PTS: 1 DIF: Level B REF: MALG1359 STA: NJ.CCCS.MTH.02.9-12.4.3.B.4.2TOP: Lesson 10.1 Graphy=ax2+c KEY: graphlquadraticBLM: Comprehension NOT: 978-0-618-65612-7ANS:Tbe graph opens downward rather tban upward and is wider than that ofy = x2, passiog through (6, 6)

rather than (6, 36).

PTS: 1 DIF: Level BTOP: Lessonl0.1Graphy ax2+cBLM: Comprehension

REF: MALG1357 STA: NJ.CCCS.MTH.02.9-12.4.3.B.4.2KEY: grapb ] quadraticNOT: 978-0-618-65612-7

2

18.

19.

20.

21.

ANS: A PTS: 1TOP: Lesson 10.2 Graph y = ax2 + bx + cBLM: ComprehensionANS:y=0

DIF: LevelA REF: MALGI371KEY: graph ] quadratic

NOT: 978-0-618-65612-7

PTS: 1 DIF: Level B REF: 7f0fe758-cdbb-1 ldb-b502-0011258082f7TOP: Lesson 10.4 Use Square Roots to Solve Quadratic EquationsKEY: Quadratic equations ! square rootsBLM: ComprehensionNOT: 978-0-618-65612-7ANS:

The solutiousare-6+ ~ ~ 2.68 aud 6 ~ ~ 9.32.

PTS:STA:TOP:KEY:NOT:ANS:3.54

1 DIF: Level C REF: AI.10.04.FR.10NJ.CCCS.MTH.02.9-12.4.3.D.2.3Lesson 10.4 Use Square Roots to Solve Quadratic Equationsfree response ] quadratic ] square root ] solve BLM: Comprehension978-0-618-65612-7

seconds

PTS: 1 DIF: Level B REF: MALG1405TOP: Lesson 10.4 Use Square Roots to Solve Quadratic EquationsKEY: solve I word I time I square root I height BLM: ApplicationNOT: 978-0-618-65612-7

22. ANS: D PTS: 1 DIF: Level A REF: MALG1424TOP: Lesson 10.6 Solve Quadratic Equations by the Quadratic FormulaKEY: solve I equation I quadratic I formula BLM: KnowledgeNOT: 978-0-618-65612-7

23. ANS: A PTS: I DIF: LeveI B REF: MALG1426TOP: Lesson 10.6 Solve Quadratic Equations by the Quadratic FormulaKEY: solve ! equation ] quadratic I formula BLM: ComprehensionNOT: 978-0-618-65612-7

24. ANS: A PTS: 1 DIF: LeveI B REF: MALG1440TOP: Lesson 10.7 Interpret the DiscriminantKEY: equation I solution ] quadratic [ discriminant BLM: ComprehensionNOT: 978-0-618-65612-7

25. ANS:No

PTS:TOP:KEY:NOT:

1 DIF: Level B REF: MALG1450Lesson 10.7 Interpret the Discriminantword ] quadratic I projectile ] discriminant978-0-618-65612-7

BLM: Application

3

26. ANS:linear function; y = 6x + 13

PTS: 1 DIF: Level B REF: 7f105c88-cdbb-lldb-b502-00! 1258082ff/TOP: Lesson 10.8 Compare Linear, ExponentiaI, and Quadratic ModelsKEY: Comparing linear ] exponential [ quadratic functionsBLM: ComprehensiouNOT: 978-0-6I 8-65612-7ANS:quadratic function

PTS:TOP:KEY:NOT:

28. ANS:

DIF: Level B REF: 7f14f227-cdbb-lldb-b502-0011258082t’7Lesson 10.8 Compare Linear, Exponential, and Quadratic ModelsComparing linear I exponential ] quadratic functionsBLM: Knowledge978-0-618-65612-7

PTS:TOP:BLM:

29. ANS:TOP:BLM:

30, ANS:38

DIF: Level A REF:Lesson 11.2 Simplify Radical ExpressionsKnowledge NOT: 978-0-618-65612-7C PTS: 1 D[F:Lesson 11.2 Silzqplify Radical ExpressionsApplication NOT: 978-0-618-65612-7

MALG1473

Level B

KEY: radical I root I integer] simplify

REF: MALG1481KEY: radical ] multiply] simplify

PTS: 1 DIF: Level A REF:TOP: Lesson 11.2 Simplify Radical ExpressionsBLM: Knowledge NOT: 978-0-618-65612-7

31. ANS: A PTS: 1 DIF:TOP: Lesson 11.2 Simplify Radical ExpressionsBLM: Application NOT: 978-0-618-65612-7

32. ANS: D PTS: 1 DIF:TOP: Lesson 13.1 Find Probabilities and OddsBLM: Application NOT: 978-0-618-65612-7

33. ANS:

yelh)~sblue

green

MALG1490

Level B

Level B

KEY: simplify [radical expression

REF: MALG1497KEY: add ] radical! subtract

REF: MALGI671KEY: event ] compound ] probability

PTS: 1 DIF: Level B REF: MALG1651TOP: Lesson 13.1 Find Probabilities and Odds KEY: tree diagramBLM: Knowledge NOT: 978-0-618-65612-7

4

34.

35.

36.

37.

38.

39.

40.

41.

ANS:4

PTS: l DIF: Level B REF:TOP: Lesson 13.1 Find Probabilities and OddsBLM: Application NOT: 978-0-618-65612-7ANS:

1 23b.

MALG1652KEY: probability I event

PTS:TOP:BLM:ANS:1 to2

DIF: Level A REF: MALG1657Lesson 13.1 Find Probabilities and OddsKnowledge NOT: 978-0-618-65612-7

STA: NJ.CCCS.MTH.02.9-12.4.4.B.5KEY: probability I experimental

PTS:TOP:BLM:ANS:7to 5

DIF: Level B REF: MALGI659Lesson 13.1 Find Probabilities and OddsApplication NOT: 978-0-618-65612-7

KEY: word ] odds [ event

PTS:TOP:BLM:ANS:1132

DIF: Level B REF: MALG1661Lesson 13.1 Find Probabilities and OddsApplication NOT: 978-0-618-65612-7

KEY: probability[ odds

PTS: 1 DIF: LevelB REF: MALG1679TOP: Lesson 13.1 Find Probabilities and OddsBLM: Application NOT: 978-0-618-65612-7ANS: C PTS: 1 DIF: LevelATOP: Lesson 13.2 Find Probabilities Using PermutationsBLM: Knowledge NOT: 978-0-618-65612-7ANS:72

KEY: theoretical probability

REF: MALG1688KEY: permutation

PTS: 1 DIF: Level B REF: MALG1681 STA: NJ.CCCS.MTH.02.9-12.4.4.C.2TOP: Lesson 13.2 Find Probabilities Using Permutations KEY: permutationBLM: Application NOT: 978-0-618-65612-7ANS: A PTS: I DIF: Level B REF: MALG1705STA: NJ.CCCS.MTH.02.9-12.4.4.C.1 TOP: Lesson 13.3 Find Probabilities Using CombinationsKEY: combination I factorial BLM: Knowledge NOT: 978-0-618-65612-7

IDeA

42. ANS:126

43.

44.

PTS: 1 DIF: LeveIB REF: MALG1698TOP: Lesson 13.3 Find Probabilities Using CombinationsKEY: combination ] factorialBLM: Application NOT: 978-0-618-65612-7ANS: C PTS: 1 DIF: Level B REF: MALG1718STA: NJ.CCCS.MTH.02.9-12.4.4.B.4.3 TOP: Lesson 13.4 Find Probabilities of Compound EventsKEY: probability ] dependent ] event BLM: Application NOT: 978-0-618-65612-7ANS:37.5

45.

PTS: 1 DIF: LevelB REF: MALG1752TOP: Lesson 13.6Use Measures ofCentral Tendency and DispersionKEY: median BLM: Knowledge NOT: 978-0-618-65612-7ANS:median

PTS:TOP:KEY:BLM:

46. ANS:TOP:KEY:

47. ANS:TOP:KEY:

48. ANS:TOP:KEY:

49. ANS:STA:TOP:KEY:

50. ANS:TOP:BLM:

51. ANS:TOP:BLM:

52. ANS:

1 DIF: Level B REF: MALG1759Lesson 13.6 Use Measures of Central Tendency and Dispersionmode ] appropriate I word ]real-life ] mean ]median ] range ] central tendencyAnalysis NOT: 978-0-618-65612-7D PTS: 1 D1F: LevelB REF: MALG1754Lesson 13.6 Use Measures of Central Tendency and Dispersionmean ] set] guess] check BLM: Application NOT: 978-0-618-65612-7B PTS: 1 DIF: LevelA REF: MALG1766Lesson 13.6 Use Measures of Central Tendency and Dispersionstatistics I word ] median BLM: Knowledge NOT: 978-0-618-65612-7B PTS: 1 DIF: Level A REF: MALG1776Lesson 13.7 Interpret Stem-and-Leaf Plots and Histogramsplot l stem-and-leaf BLM: KnowledgeNOT: 978-0-618-65612-7D PTS: 1 DIF: Level B REF: MALG1786NJ.CCCS.MTH.02.K- 12.4.5.E.3 ] NJ.CCCS.MTH.02.9-12.4.2.E.2.1Lesson 13.7 Interpret Stem-and-Leaf Plots and Histogrmnsrange ! stem-and-leaf NOT: 978-0-618-65612-7C PTS: 1 DIF: LevelALesson 13.8 Interpret Box-and-Whisker PlotsKnowledge NOT: 978-0-618-65612-7C PTS: 1 DIF: Level BLesson 13.8 Interpret Box-and-Whisker PlotsApplication NOT: 978-0-618-65612-7

REF: MALGI791KEY: box-and-whisker plot

REF: MALG 1784KEY: box-and-whisker] data

Mexico City

PTS: 1 DIF: LevelB REF: MALG1794TOP: Lesson 13.8 Interpret Box-and-Whisker Plots KEY: box-and-whisker I data I percentBLM: Application NOT: 978-0-618-65612-7

6

ID: A

53.

54.

55.

56.

57.

ANS:STA:KEY:NOT:ANS:2

A PTS: 1NJ.CCCS.MTH.02.9-12.4.3.D.l.1polynomial [add978-0-618-65612-7

DIF: Level B REF: MALG1238TOP: Lesson 9.1 Add and Subtract PolynomialsBLM: Comprehension

PTS: 1 DIF: Level A REF: MALG1220TOP: Lesson 9.1 Add and Subtract PolynomialsBLM: Knowledge NOT: 978-0-618-65612-7ANS:binomial, 3

KEY: polynomial ] degree

PTS:TOP:KEY:NOT:ANS:STA:KEY:ANS:

l-2, -~

1 D1F: Level B REF: MALG1222Lesson 9.1 Add and Subtract Polynomialspolynomial [ degree ] name [ classify [ binomial978-0-618-65612-7A PTS: 1 DIF: Level BNJ.CCCS.MTH.02.K-12.4.5.E.l.cword ] polynomial[ area

BLM: Comprehension

REF: MALG 1278TOP: Lesson 9.2 Multiply PolynomiaIsBLM: Application NOT: 978-0-618-65612-7

60.

2&.2Go lO-/o-IO.lO =