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SECONDARY MATH I // MODULE 2 LINEAR & EXPONENTIAL FUNCTIONS – 2.5 Mathematics Vision Project Licensed under the Creative Commons Attribution CC BY 4.0 mathematicsvisionproject.org 2.5 READY Topic: Writing equations of lines. Write the equation of a line in slope-intercept form: y = mx + b, using the given information. 1. m = -7, b = 4 2. m = 3/8, b = -3 3. m = 16, b = -1/5 Write the equation of the line in point-slope form: y = m(x – x1)+ y1 , using the given information. 4. m = 9, ( 0. -7) 5. m = 2/3, (-6, 1) 6. m = -5, (4, 11) 7. (2,-5) (-3, 10) 8. (0, -9) (3, 0) 9. (-4, 8) (3, 1) READY, SET, GO! Name Period Date Homework help at www.rsgsupport.org 88

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Page 1: READY, SET, GO!msubmathing.weebly.com/uploads/3/8/0/6/38068469/ready_set_go_2.5.pdfREADY Topic: Writing equations of lines. Write the equation of a line in slope-intercept form: y

SECONDARY MATH I // MODULE 2

LINEAR & EXPONENTIAL FUNCTIONS – 2.5

Mathematics Vision Project

Licensed under the Creative Commons Attribution CC BY 4.0

mathematicsvisionproject.org

2.5

READY Topic:Writingequationsoflines.

Writetheequationofalineinslope-interceptform:y=mx+b,usingthegiveninformation.

1.m=-7,b=4 2.m=3/8,b=-3 3.m=16,b=-1/5

Writetheequationofthelineinpoint-slopeform:y=m(x–x1)+y1,usingthegiveninformation.

4.m=9,(0.-7) 5.m=2/3,(-6,1) 6.m=-5,(4,11)

7.(2,-5)(-3,10) 8.(0,-9)(3,0) 9.(-4,8)(3,1)

READY, SET, GO! Name PeriodDate

Homework help at www.rsgsupport.org 88

Page 2: READY, SET, GO!msubmathing.weebly.com/uploads/3/8/0/6/38068469/ready_set_go_2.5.pdfREADY Topic: Writing equations of lines. Write the equation of a line in slope-intercept form: y

SECONDARY MATH I // MODULE 2

LINEAR & EXPONENTIAL FUNCTIONS – 2.5

Mathematics Vision Project

Licensed under the Creative Commons Attribution CC BY 4.0

mathematicsvisionproject.org

2.5

SET

Topic:Graphinglinearandexponentialfunctions

Makeagraphofthefunctionbasedonthefollowinginformation.Addyouraxes.Choosean

appropriatescaleandlabelyourgraph.Thenwritetheequationofthefunction.

10.Thebeginningvalueis5anditsvalueis3unitssmallerateachstage.

Equation:

11.Thebeginningvalueis16andthenextvalueis¼ofthevalueofthepreviousateachstage.

Equation:

12.Thebeginningvalueis1anditsvalueis10timesasbigateachstage.

Equation:

13.Thebeginningvalueis-8anditsvalueis2unitslargerateachstage.

Equation:

Homework help at www.rsgsupport.org 89

SECONDARY MATH I // MODULE 2

LINEAR & EXPONENTIAL FUNCTIONS – 2.5

Mathematics Vision Project

Licensed under the Creative Commons Attribution CC BY 4.0

mathematicsvisionproject.org

2.5

GO Topic:Equivalentequations

Provethatthetwoequationsareequivalentbysimplifyingtheequationontherightsideofthe

equalsign.Thejustificationintheexampleistohelpyouunderstandthestepsforsimplifying.

YoudoNOTneedtojustifyyoursteps.

Example: Justification 2! − 4 = 8 + ! − 5! + 6 ! − 2 Add! − 5!anddistributethe6over ! − 2 = 8 − 4! + 6! − 12 Combineliketerms. = −4 + 2! 2! − 4 = 2! − 4 Commutativepropertyofaddition

14.! − 5 = 5! − 7 + 2 3! + 1 − 10!

15.6 − 13! = 24 − 10 2! + 8 + 62 + 7!

16.14! + 2 = 2! − 3 −4! − 5 − 13

17. ! + 3 = 6 ! + 3 − 5 ! + 3

18.4 = 7 2! + 1 − 5! − 3 3! + 1

19.! = 12 + 8! − 3 ! + 4 − 4!

20.Writeanexpressionthatequals ! − 13 . Itmusthaveatleasttwosetsofparenthesesandoneminussign.Verifythatitisequalto ! − 13 .

Homework help at www.rsgsupport.org 90

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AFM Name Unit 6 Day 2 Notes Central Tendency …msubmathing.weebly.com/uploads/3/8/0/6/38068469/unit_6...12 AFM Name _____ Unit 6 Day 2 Notes – Central Tendency from a Histogram;