Unit 2 Review: Algebra€¦ · Unit 2 Review: Algebra 1. Identify each as a monomial, binomial, or...

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MFM1P–Unit2:Algebra–Review Name:__________________

Unit2Review:Algebra1. Identifyeachasamonomial,binomial,ortrinomial

2. Identifythecoefficientineachofthefollowing.

3. Identifytheliketermsineachofthepolynomials:

a)−7𝑎! + 2𝑎 + 4𝑎 − 3𝑎!

b)2𝑝! − 3 + 𝑝! c)2𝑦! − 7𝑦 − 6𝑦!

d)8𝑎! − 3𝑎! + 4𝑎 − 3𝑎! e)8𝑥𝑦! − 3𝑥𝑦! + 7− 3𝑥𝑦! − 10

4. Simplifyeachofthefollowingexpressions:

5. Simplifyeachofthefollowing:

6. Evaluateeachexpressionwiththegivenvalue.

7. Ms.Marshistryingtoplanamathpartyforherclass.Itwillcosther$107forthedecorationsand$7

perstudentwhoattendsforfood.a) Writeanexpressionforthetotalcostoftheparty.Besuretodeclareyourvariables.b) Intheequationyoucreatedidentifytheconstantandthecoefficient.Whatdotheyrepresent?c) Whatisthecostofthrowingapartyfor21students?

a) −7𝑎! + 2𝑎 + 4

b) 2𝑝! − 4𝑞! c) −7𝑦 − 6

d) − 8𝑥! e) 8𝑥𝑦! − 3𝑥𝑦 − 9 f) −10

a) −3𝑥! + 5𝑥 – 𝑥! – 6𝑥

b) 14+ 7𝑚! + 5 – 2𝑝 + 8𝑚! − 9p− 1

c) (4𝑤!– 2𝑤 + 5) + (3𝑤! + 7𝑤 − 6) d) 8𝑎! + 3𝑎 – 7 − (12𝑎! – 2𝑎 + 1)

e) (−2𝑏! + 7𝑏 − 21) + (9𝑏! − 10𝑏 − 5) f) 3𝑎! − 5𝑎 + 9 − (𝑎! + 4𝑎 − 13)

a) −7𝑎!

b) 2𝑝! c) −7𝑦

d) − 8𝑥! e) 8𝑥𝑦! f) −10𝑧

a) 2 (3𝑥! + 4𝑥 − 5) b) −3 (7𝑥 – 9)

c) (−8𝑥) (−6𝑥) d) 4𝑥 ( 3𝑥 − 1)

e) 3(2𝑥 + 4) – 6(7𝑥 − 5) f) −2 3𝑥! − 7 + 4𝑥 8𝑥 + 5 − 9𝑥

a) −2𝑎 + 10 for𝑎 = −6 b) 3𝑟!ℎ forℎ = 4, 𝑟 = 2

c) 4𝑤! − 7𝑤 for𝑤 = 5 d) 𝑥𝑦 − 2𝑥 for𝑥 = 2,𝑦 = 3

8. Ms.SheppardismakingcupcakesforMs.Marsh’sbirthday.TheequationforthetotalcostisrepresentedbyC=23+1.5nwhereCisthetotalcostandnisthenumberofcupcakesmade.

a) Whatdothe23and1.5representintheequation?b) Whatisthecostformaking62cupcakes?

9. Whatisthesimplifiedalgebraicexpressionforperimeterofthefollowingshapes:

10. Whatisthesimplifiedalgebraicexpressionforareaofthefollowingshapes:

Unit2ReviewAnswers

1. a)Trinomial b)Binomial c)Binomial d)Monomial e)Trinomial f)Monomial2. a)-7 b)2 c)-7 d)-8 e)8 f)-10 3. a)−7𝑎!,−3𝑎! & 2𝑎, 4𝑎b) 2𝑝!,𝑝!c)2𝑦!,−6𝑦!d)8𝑎!,−3𝑎! ,−3𝑎!

e)8𝑥𝑦!,−3𝑥𝑦! ,−3𝑥𝑦! & 7,−104. a)−4𝑥! − 𝑥b)15𝑚! − 11𝑝 + 18c)7𝑤! + 5𝑤 − 1d)−4𝑎! + 5𝑎 − 8

e)7𝑏! − 3𝑏 − 26f)2𝑎! − 𝑎 − 45. a)6𝑥! + 8𝑥 − 10 b)−21𝑥 + 27c)48𝑥!d)12𝑥! − 4𝑥e)−36𝑥 + 42f)26𝑥! + 11𝑥 + 146. a)22b)48c)65d)27. a)107+7nb)constant:107thisisthecostfordécor,coefficient:7thisisthecostperstudentforfood

c)$2548. a)$23isthebasecostMs.Sheppardhastopay,1.50isthecostpercupcakeb)$1169. a)10𝑥 + 16b)23𝑥c)33𝑏 − 810. a)15𝑥! + 25𝑥b)4𝑥! + 15𝑥 − 5

a) b)

a) b) c)

3x+5

5x