unit 4, lesson 10: practice problemsblogs.4j.lane.edu/.../files/2020/01/unit-4-lesson-10-hw.pdfunit...
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GRADE8MATH
NAME DATE PERIOD
Unit4,Lesson10:PracticeProblems Downloadforfreeatopenupresources.org 1
Unit4,Lesson10:PracticeProblems1.
a. Matchthelines𝑚and𝑛tothestatementstheyrepresent:
i. Asetofpointswherethecoordinatesofeachpointhaveasumof2
ii. Asetofpointswherethe𝑦-coordinateofeachpointis10lessthanits𝑥-coordinate
b. Matchthelabeledpointsonthegraphtostatementsabouttheircoordinates:
i. Twonumberswithasumof2
ii. Twonumberswherethe𝑦-coordinateis10lessthanthe𝑥-coordinate
iii. Twonumberswithasumof2andwherethe𝑦-coordinateis10lessthanthe𝑥-coordinate
GRADE8MATH
NAME DATE PERIOD
Unit4,Lesson10:PracticeProblems Downloadforfreeatopenupresources.org 2
2. Hereisanequation:4𝑥 − 4 = 4𝑥 + __.Whatcouldyouwriteintheblanksotheequationwouldbetruefor:
a. Novaluesof𝑥
b. Allvaluesof𝑥
c. Onevalueof𝑥
3. Maiearns$7perhourmowingherneighbors'lawns.Shealsoearned$14forhaulingawaybagsofrecyclablesforsomeneighbors.
Priyababysitsherneighbor’schildren.Thetableshowstheamountofmoney𝑚sheearnsinℎhours.PriyaandMaihaveagreedtogotothemoviestheweekendaftertheyhaveearnedthesameamountofmoneyforthesamenumberofworkhours.
ℎ 𝑚 1 $8.40
2 $16.80
4 $33.60a. Howmanyhoursdotheyhavetoworkbeforetheygotothemovies?
b. Howmuchwilltheyhaveearned?
c. Explainwherethesolutioncanbeseenintablesofvalues,graphs,andequationsthatrepresentPriya'sandMai'shourlyearnings.
4. Foreachequation,explainwhatyoucoulddofirsttoeachsideoftheequationsothattherewouldbenofractions.Youdonothavetosolvetheequations(unlessyouwantmorepractice).
a. !!!!!
= !!!!
b. !(!!!)!
= !!!!
c. !!!!!
= !!!!
d. !(!!!)!"
= !!!!